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Challenge of the Yukon
1930s US radio series

Challenge of the Yukon was a long-running radio series that began on Detroit's station WXYZ (as had The Lone Ranger and The Green Hornet), and an example of a Northern genre story. The series was first heard on February 3, 1938.

The program was an adventure series about Sergeant William Preston of the Northwest Mounted Police and his lead sled dog, Yukon King, as they fought evildoers in the Northern wilderness during the Gold Rush of the 1890s. Preston, according to radio historian Jim Harmon, first joined the Mounties to capture his father's killer, and when he was successful he was promoted to Sergeant. Preston worked under the command of Inspector Conrad, and in the early years was often assisted by a French-Canadian guide named Pierre.

Preston's staunchest ally, who was arguably the true star of the show and indeed often did more work than he did, was the brave Alaskan husky, Yukon King. Typical plots involved the pair helping injured trappers, tracking down smugglers, or saving cabin dwellers from wolverines. Sgt. Preston's faithful steed was Rex, used primarily in the summer months, but generally Yukon King and his dog team were the key mode of transportation (as signalled by Preston's cry of "On, King! On, you huskies!."

There is some confusion regarding King's actual breed. The producers seemed to use malamute and husky interchangeably. At least once, Preston answered "malamute" to the question from another character. In the early radio shows, the cry of "On, you huskies!" would alternate with "On, you malamutes" from show to show.

Von Reznicek's Donna Diana Overture was the pulsing theme music, and the episodes ended with the official pronouncement, Well, King, this case is closed.

Following the success of The Lone Ranger and The Green Hornet, George W. Trendle, the station owner, asked for a similar adventure show, but with a dog as the hero. According to WXYZ staffer Dick Osgood, in his history of the station, Trendle insisted that it not be "a dog like Lassie because.. this must be an action story. It had to be a working dog." Writer Tom Dougall, who had been influenced by the poems of Robert W. Service, naturally chose a Husky. The dog was originally called Mogo, but after criticism by Trendle, Dougall re-christened the canine King. Dougall likewise created Sgt. Preston and the French-Canadian guide. Fran Striker, who wrote for The Lone Ranger, also contributed scripts.

However, Trendle's criticism of Dougall may have had another reason behind it. Shortly before the two Trendle series aired ( The Lone Ranger and Challenge of the Yukon), popular author Zane Grey had a book in circulation (Lone Star Ranger) about a Texas Ranger like The Lone Ranger and a comic book series in circulation (King of the Royal Mounted) about the adventures of Sgt. King, a Royal Canadian Mounted Policeman like Sgt. Preston. It could be that Trendle borrowed both ideas from Grey's work and wanted to retain the name "King" as a tribute to Grey, who died after a long illness one year following the first airing of Challenge of the Yukon.

Challenge of the Yukon began as a 15-minute serial, airing locally from 1938 until May 28, 1947. Shortly thereafter, the program acquired a sponsor, Quaker Oats, and the series, in a half-hour format, moved to the networks. The program aired on ABC from June 12, 1947 to December 30, 1949. It was then heard on The Mutual Broadcasting System from January 2, 1950 through the final broadcast on June 9, 1955. The title changed from Challenge of the Yukon to Sergeant Preston of the Yukon in November 1951, and remained under that name through the end of the series and into television.
NOTE: Updated Release! New Episodes and corrected sound variances (29-Dec-2011).




From the Old Time Radio Researcher's Group. See "Note" Section below for more information on the OTRR.

  1. Meeting the Terms of a Contract (6.7Mb)
  2. Till A Mans Proved Dead (6.8Mb)
  3. A Swindler Swindled (6.8Mb)
  4. A Footprint in Leather (6.7Mb)
  5. Caught by a Button (6.8Mb)
  6. The Last Days of a Freight Line (6.7Mb)
  7. A Swill O' Gunpowder (4.3Mb)
  8. King's Ransom (4.2Mb)
  9. Murder on Train Time (4.2Mb)
  10. A Previewed Confession (4.2Mb)
  11. Attempted Manslaughter (4.2Mb)
  12. Lantern Rock (4.2Mb)
  13. The Ring on His Finger (4.2Mb)
  14. The Tell-Tale Bullet (3.3Mb)
  15. A Date to Remember (3.3Mb)
  16. Belated Revenge (3.3Mb)
  17. Return to the Crime (3.3Mb)
  18. King Spots Murder (3.3Mb)
  19. Self Defense or Murder (3.3Mb)
  20. By Hook or by Crook (6.8Mb)
  21. The Eleventh Hour (3.4Mb)
  22. Murder in ABC's (3.3Mb)
  23. Bob Hite Announces (Audition) (8.3Mb)
  24. No Escape for a Murderer (6.7Mb)
  25. Revenge in the Yukon (3.4Mb)
  26. Forgery and Murder (3.3Mb)
  27. Macbeth's Bloody Knife (5Mb)
  28. Wolf Pack (3.3Mb)
  29. Cabin on the Trail (6.7Mb)
  30. Lady Luck Claim (3.3Mb)
  31. As a Man Thinketh (6.8Mb)
  32. The Hannagan Brothers (6.5Mb)
  33. The Great Dog King (6.6Mb)
  34. The Vallera Diamond (3.3Mb)
  35. King Meets Soapy Smith (6.4Mb)
  36. A Pack of Bacon (6.4Mb)
  37. Edward Carson (6.5Mb)
  38. The Plaid Coat (6.5Mb)
  39. Belle_Brady's_Gesture (6.5Mb)
  40. Preston's_Right_Hand_Man (6.5Mb)
  41. A Woman Scorned (6.5Mb)
  42. Outlaw Dog (6.5Mb)
  43. The_Outlaw's_Nemesis (5Mb)
  44. The Idol (3.3Mb)
  45. A Joke Led to the Gallows (6.5Mb)
  46. Reverend Jim (6.6Mb)
  47. The Man from Missouri (6.7Mb)
  48. Design for Murder aka Killing Sullivan (3.3Mb)
  49. The Duke Bows to a King (3.3Mb)
  50. The_Lady's_Locket (6.7Mb)
  51. Lucky Walters (5.1Mb)
  52. Of Dogs and Horses (6.7Mb)
  53. Maintiens Le Droit (6.7Mb)
  54. The Plan That Failed (6.7Mb)
  55. King Breaks the Wheel of Fortune (6.7Mb)
  56. A Rendezvous (6.7Mb)
  57. Smokey (6.8Mb)
  58. A Frame-Up That Failed (6.3Mb)
  59. Death and the Flickering Eye (6.2Mb)
  60. A Masquerade (3.2Mb)
  61. Eyes for the Blind (3.1Mb)
  62. King Saves the Day (6.6Mb)
  63. Suzanne Verrill (6.7Mb)
  64. Case History of a Mountie (6.6Mb)
  65. Seahorse_City's_Editor (6.5Mb)
  66. King Found the Clue (6.5Mb)
  67. Florabelle's_Adventure (6.5Mb)
  68. Paula Buchanan (6.6Mb)
  69. King Meets a Grizzly (6.4Mb)
  70. Trial by Fire (6.4Mb)
  71. One Went to the Gallows (6.5Mb)
  72. How Connelly Paid the Law (6.5Mb)
  73. Preston's_Dilemma (6.3Mb)
  74. Trap for a Mountie (6.3Mb)
  75. Manhunt (4Mb)
  76. Murder on the Trail (6.4Mb)
  77. The Fugitives (6.8Mb)
  78. King Led the Way (6.8Mb)
  79. An Unlucky Gambler (3.3Mb)
  80. Guilty by Proxy (6.8Mb)
  81. Wilderness Girl (6.8Mb)
  82. Glynn's_Canyon (6.8Mb)
  83. Trail Scent (6.7Mb)
  84. The Dog-Head Nugget (6.8Mb)
  85. Silver Point Renegades (3.3Mb)
  86. Landslide (3.4Mb)
  87. Blizzard in the Yukon (3.3Mb)
  88. Back Door of the Mountain (3.4Mb)
  89. Her Weight in Gold (3.3Mb)
  90. Spawn of the North (3.3Mb)
  91. The Dog Team Race (3.3Mb)
  92. God of the Mountain (3.3Mb)
  93. A Boy and a Dog (3.3Mb)
  94. Ambush (3.3Mb)
  95. Trap Robber (3.4Mb)
  96. Medicine Man (3.3Mb)
  97. Thunder (3.3Mb)
  98. Recovered Claim (3.3Mb)
  99. Old Tom (3.3Mb)
  100. The Brass Button (3.3Mb)
  101. Escape (3.3Mb)
  102. Skipper (3.3Mb)
  103. The Chase (3.3Mb)
  104. The Map (3.3Mb)
  105. Arctic Chase (3.3Mb)
  106. Maw_Baker's_Pies (3.3Mb)
  107. Magnanimous Ghost (3.3Mb)
  108. Bear Trap (3.3Mb)
  109. Alibi (3.3Mb)
  110. Big Bill (3.3Mb)
  111. The Red Mitten (3.4Mb)
  112. Chechako (3.3Mb)
  113. The Black Bear (3.3Mb)
  114. Scorpion_Sam's_Gold (3.3Mb)
  115. Dynamite Provides (3.4Mb)
  116. The Trail (3.4Mb)
  117. The Last Laugh (3.3Mb)
  118. The Irish Wolf Hound (3.3Mb)
  119. Father Donovan (3.3Mb)
  120. Long Fall Canyon (3.3Mb)
  121. The Bonanza Belle (3.3Mb)
  122. The Dachshund (3.3Mb)
  123. Christmas Present (6.6Mb)
  124. New_Year's_Eve (3.4Mb)
  125. The Grave Robbers (3.4Mb)
  126. The Mail Team (3.3Mb)
  127. Preston Takes Over (3.2Mb)
  128. Jane Gets Her Man (3.3Mb)
  129. The Blind Man (3.3Mb)
  130. The Cure (3.3Mb)
  131. Mabel (3.3Mb)
  132. The Shamaness (3.4Mb)
  133. Mad Wolf (3.3Mb)
  134. The Bully (3.3Mb)
  135. Hold Up (3.4Mb)
  136. The Rivals (3.4Mb)
  137. The Return of Pete Hill (3.4Mb)
  138. Ned's_Wife (3.4Mb)
  139. Rex (3.4Mb)
  140. Torn Parka (3.4Mb)
  141. Balmy Bill (6.8Mb)
  142. Eskimo Justice (6.7Mb)
  143. Shrimp Togan (6.9Mb)
  144. Chap (6.8Mb)
  145. The Mitten (3.4Mb)
  146. Annie Jones (3.3Mb)
  147. The Great Dane (3.4Mb)
  148. How Preston Got King (3.3Mb)
  149. The Sharp Shooter (6.7Mb)
  150. The Pup That Ate Too Much (6.9Mb)
  151. Flash (6.8Mb)
  152. Preston Breaks a Rule (6.9Mb)
  153. Beaver Dam (6.7Mb)
  154. The Silver Fox (6.7Mb)
  155. The Mute Speaks (6.7Mb)
  156. Grizzly Martin (3.3Mb)
  157. Preston Goes to Jail (3.3Mb)
  158. The Epidemic (3.3Mb)
  159. Preston Sells King (3.3Mb)
  160. Blind_Man's_Claim (3.2Mb)
  161. The Wooden Case (3.2Mb)
  162. Trap in the Mountains (3.2Mb)
  163. The Choice (3.2Mb)
  164. The Cat Collar (3.3Mb)
  165. Thanksgiving in the Wilderness (3.2Mb)
  166. The Watch Dog (3.3Mb)
  167. The Dog Fight (3.3Mb)
  168. Christmas Present (3.3Mb)
  169. The Man Who Limped (3.3Mb)
  170. The False Beard (3.2Mb)
  171. Zeb (3.3Mb)
  172. The Black Dog (3.3Mb)
  173. A Question of Ethics (3.3Mb)
  174. The Gold Fang (3.3Mb)
  175. Pet Bear (3.2Mb)
  176. The Substitution (3.4Mb)
  177. The Red Parka (3.2Mb)
  178. The Hermit of Nugget Hill (3.4Mb)
  179. The Coffin (13.1Mb)
  180. Sunshine Stones (3.3Mb)
  181. The Birthday Present (3.2Mb)
  182. The Big Stone House (3.3Mb)
  183. The Dancing Bear (3.2Mb)
  184. The Story of Big John (3.2Mb)
  185. The Torn Sleeve (3.2Mb)
  186. The Mad Trapper (3.3Mb)
  187. The Red Setter (3.2Mb)
  188. The Usurpers (3.3Mb)
  189. Lost Mitten (3.2Mb)
  190. The Wolf Cub (6.6Mb)
  191. Grizzly (6.6Mb)
  192. Pet Bear (6.3Mb)
  193. The Puppy (6.4Mb)
  194. Sam's_Gold (10.1Mb)
  195. The Man in the Fur Cap (13.1Mb)
  196. A Dog Named Mabel (13Mb)
  197. Messenger of Mercy (13.2Mb)
  198. Derelict Dog (12.7Mb)
  199. The Revenge of Steve Carlton (13.5Mb)
  200. Clue to a Killer (13.4Mb)
  201. The Stolen Pups (6.5Mb)
  202. The Northern Pursuit (12.9Mb)
  203. The Fraud (6.7Mb)
  204. Reprisal (6.7Mb)
  205. The Proof (6.7Mb)
  206. The Malamute Pup (6.7Mb)
  207. The Last Cabin (13.6Mb)
  208. Rex (8.4Mb)
  209. Sam's_Wife (6.7Mb)
  210. King's_Escape (6.8Mb)
  211. The Limping Dog (6.3Mb)
  212. King Gets His Man aka The Piano (6.7Mb)
  213. Tara (8.5Mb)
  214. The Marked Cards (13Mb)
  215. White_Man's_Law (6.6Mb)
  216. The Shepherd Dog (6.6Mb)
  217. The Silent One (6.7Mb)
  218. Tago,_the_Half_Breed (6.7Mb)
  219. The Bridge (13.6Mb)
  220. The Loyalty of Chief (13.6Mb)
  221. The Pamphlet (13.6Mb)
  222. The Red Herring (13.6Mb)
  223. The Klondike Palace (13.6Mb)
  224. Aunt Em (13.6Mb)
  225. Silvertip (13.6Mb)
  226. The Debt (13.6Mb)
  227. Witness for the Crown (13.5Mb)
  228. King Comes Home (13.6Mb)
  229. The Wire Haired Terrier (13.6Mb)
  230. Rusty (13.9Mb)
  231. Breakup (13.2Mb)
  232. Shots in the Dark (13.4Mb)
  233. Winner by Proxy (6.8Mb)
  234. The Fraud (13.6Mb)
  235. Trader Muldoon (13.4Mb)
  236. The Showdown (11.7Mb)
  237. Lost Indian Mine (11.9Mb)
  238. Icebound (11.9Mb)
  239. Old_Ben's_Gold (13.4Mb)
  240. Pot Luck Killers (11.5Mb)
  241. Ghost Town (13.5Mb)
  242. Find the Body (13.6Mb)
  243. The Extra Uniform (13.2Mb)
  244. Record Run (13.3Mb)
  245. Parson Shorty Meadows (13.3Mb)
  246. The Red Ace (13.3Mb)
  247. Mine of Good Hope (13.3Mb)
  248. White Hawk (13.2Mb)
  249. Underground Ambush (13.3Mb)
  250. The False Trail (13.3Mb)
  251. The Poisoner of Chiliwaw (13.3Mb)
  252. Samaritan of the Trail (13.5Mb)
  253. Preston Turns the Tables (13.5Mb)
  254. The Phantom Gang (13.6Mb)
  255. The Call of Duty (13.5Mb)
  256. The Man with the Red Hair (13.6Mb)
  257. Death on the Trail (13.6Mb)
  258. The Wilderness Uprising (13.6Mb)
  259. Ben_Yancy's_Legacy (13.6Mb)
  260. Shadow (13.5Mb)
  261. The Second Chance (13.6Mb)
  262. Manhunt (13.5Mb)
  263. The St Bernard Dog (13.5Mb)
  264. Mutiny on the Penguin (13.4Mb)
  265. Old_Moby's_Cairn (10.9Mb)
  266. Lost River Roundup (13.5Mb)
  267. Strike at Pelican Creek (13.4Mb)
  268. The Black Husky (13.1Mb)
  269. The_Sergeant's_Right (9.9Mb)
  270. Timber (13.4Mb)
  271. The Dawson Fire (13.5Mb)
  272. The Trap in Cabin Four (13.5Mb)
  273. Escape to the North (13.5Mb)
  274. Marlow's_Gang (11.2Mb)
  275. Faith in a Mountie (11.7Mb)
  276. The Emerald in the Nugget (10.9Mb)
  277. The Man with the Red Coat (8.4Mb)
  278. Injun Devil (13.4Mb)
  279. Arrowhead Frame-Up (13.4Mb)
  280. Case of Frank Weaver (13.4Mb)
  281. King Takes Over (13.5Mb)
  282. Bonanza 47 (14Mb)
  283. Jim_Belden's_Secret_epsecond_half (3.3Mb)
  284. King Proves His Worth (6.7Mb)
  285. Lem_Bailey's_Pet_Bear (6.7Mb)
  286. White Water (6.7Mb)
  287. Jimmy's_Birthday_Cake (13.4Mb)
  288. Skagway Patrol (6.7Mb)
  289. Mystery in the Cave (13.4Mb)
  290. The Moose River Murder (13.5Mb)
  291. Lost River Ambush (13.3Mb)
  292. The Mongrel (13.4Mb)
  293. On One Condition (13.4Mb)
  294. The Trail of Grizzly Grayson (13.7Mb)
  295. Rogue's_Progress (13.5Mb)
  296. Sergeant Preston Faces Death (13.5Mb)
  297. Ambush (13.5Mb)
  298. The Coward (13.5Mb)
  299. Double Cross Creek (13.5Mb)
  300. The Dog with the Gold Tooth (13.5Mb)
  301. The Magic Light (13.5Mb)
  302. Signal in Green (13.5Mb)
  303. Danger Signal (13.5Mb)
  304. River Pirates (13.5Mb)
  305. Ambush at Forty Mile (13.5Mb)
  306. The Music Hall Murder (13.5Mb)
  307. Trail Mates (11.9Mb)
  308. Bulldog Charm (13.5Mb)
  309. The Meal That Convicted (13.5Mb)
  310. The White Huskie (6.8Mb)
  311. The Klondike Queen (6.8Mb)
  312. The Caribou Case (6.8Mb)
  313. The Black and White Pup (6.7Mb)
  314. The Devil Dog (6.8Mb)
  315. Letters to a Killer (5.7Mb)
  316. Conover's_Crime (8.4Mb)
  317. Crumpled Handbill (6.8Mb)
  318. The Killer (6.8Mb)
  319. The Remittance Man (6.8Mb)
  320. Dead_Man's_Man (6.8Mb)
  321. The Knife Throwers (6.8Mb)
  322. The Lucky Shirt (6.8Mb)
  323. The Trail of the Werewolf (6.8Mb)
  324. Trouble at Forty-Mile (6.7Mb)
  325. The Luck of the Newtons (6.7Mb)
  326. The Empty Coffin (13.3Mb)
  327. The Doomed Witness (13.3Mb)
  328. The Bear Trap (6.8Mb)
  329. The Perfect Crime (13.3Mb)
  330. Fire in the Sky (6.8Mb)
  331. Escape to the North (13.3Mb)
  332. The Sparrow (13.3Mb)
  333. The Case of the Hard-Hearted Hermit (13.4Mb)
  334. Race to Twenty Mile (13.4Mb)
  335. The Million Dollar Deadline (13.3Mb)
  336. The Skagway-Mail (13.3Mb)
  337. The Counter Plan (13.3Mb)
  338. The Bad Penny (13.6Mb)
  339. Adventure in Selkirk (13.5Mb)
  340. The Duel (13.3Mb)
  341. Death and the Lucky Seven (6.8Mb)
  342. The Skull in the Stone (6.7Mb)
  343. The Case of the Turncoat Mountie (6.7Mb)
  344. The Case of the Frightened Child (6.8Mb)
  345. The Case of the Canyon Holdup (6.8Mb)
  346. The Missing Code (15Mb)
  347. The Case of the Yellow Ribbon (13.4Mb)
  348. A Boy and His Dog (13.5Mb)
  349. The Uphill Sled (13.6Mb)
  350. King Takes Over (13.5Mb)
  351. The Case of the Beautiful Swindler (13.7Mb)
  352. The Case of the Crown Fire (13.4Mb)
  353. Trickery in the River (13.6Mb)
  354. The Case of the Kind Hearted Killer (13.5Mb)
  355. The Case of the Unwilling Guardian (13.7Mb)
  356. The Renegade Huskie (13.4Mb)
  357. What Price King (13.4Mb)
  358. The Case of the Friendly Enemies (13.4Mb)
  359. The Yellow Kitten (13.6Mb)
  360. The_Minister's_Missing_Money (13.5Mb)
  361. The Case of the Detective Who Liked Excitement (13.7Mb)
  362. The Fan-Tan Gold Robbery (13.4Mb)
  363. The Boy Who Feared Dogs (13.6Mb)
  364. The Case of the Wishbone (13.6Mb)
  365. Fire on the Trail (13.7Mb)
  366. King and the Baxter Gang (13.5Mb)
  367. The Case of the River Pirates (13.6Mb)
  368. Ambush Near Selkirk (13.7Mb)
  369. The_Case_of_the_Sourdough's_Dog (13.6Mb)
  370. The Phantom Witness (13.6Mb)
  371. The Scent of Blood (13.7Mb)
  372. Murder on the Mountain (13.5Mb)
  373. The Generous Hobo (13.7Mb)
  374. Allen_McRae's_Birthday_Present (13.4Mb)
  375. The Burning Cabin (13.6Mb)
  376. The Great Charlotta (13.5Mb)
  377. The Doctor Disappears (13.7Mb)
  378. Hazel Crest Decision (13.5Mb)
  379. Rescue in the Forest (13.7Mb)
  380. The Missing Money (13.6Mb)
  381. Bad Boy (13.7Mb)
  382. The Last Will (13.4Mb)
  383. Nipper Moves Himself (13.5Mb)
  384. Bear Trap (13.5Mb)
  385. Dr_Blake's_Surrender (13.6Mb)
  386. The Miser and the Mob (14.3Mb)
  387. The Old Timer (14.4Mb)
  388. The Senator Finds a Treasure (14.4Mb)
  389. Note of Evidence (14.5Mb)
  390. The_Brothers'_Promise (14.2Mb)
  391. The King Emperor (14.1Mb)
  392. The Stolen Box (14.1Mb)
  393. The Barbary Gang (13.7Mb)
  394. Grubstake for Vickers (13.9Mb)
  395. 48 Hours to Pay (13.9Mb)
  396. Outlaw's_Twin (14Mb)
  397. Dance at Caribou Creek (13.5Mb)
  398. The Return of Tom Becket (13.4Mb)
  399. Swindler's_Luck (14Mb)
  400. Copper Gulch Patrol (14Mb)
  401. The Wainwright Cache (14.1Mb)
  402. The Black Bag (14.2Mb)
  403. Missing Gold (14Mb)
  404. The Shanghaied Sergeant (14.1Mb)
  405. The_Sergeant's_Present (6.7Mb)
  406. Journey for Revenge (14.3Mb)
  407. Swindler's_Luck (14.2Mb)
  408. The Prodigal Father (14.5Mb)
  409. Rainbow's_End (14Mb)
  410. Jeff_Marco's_Gang (14.3Mb)
  411. The_Battle_at_Bradley's (14.5Mb)
  412. Barry_Jeffer's_Trust (15Mb)
  413. Red Devil (14.2Mb)
  414. The_Miners'_Meeting (14.3Mb)
  415. The Diamond Collar (14Mb)
  416. The Long Trail (14.1Mb)
  417. No Epitaph for Tombstone (14.2Mb)
  418. The Ten Thousand Dollar Rewards (14Mb)
  419. The Trap That Failed (14.3Mb)
  420. The Ghost Raider (14.1Mb)
  421. Casper_Mott's_Adventure (13.5Mb)
  422. Circumstantial Evidence (13.4Mb)
  423. Blind_Man's_Bluff (6.7Mb)
  424. Jailbreak (5.9Mb)
  425. The Runaway Heir (6.7Mb)
  426. Flaming Valley (13.4Mb)
  427. The Haunted Mine (14Mb)
  428. The Black Cat (14.2Mb)
  429. Alias Al Gibson (13.4Mb)
  430. The Murdered Witness (14.2Mb)
  431. Trail's_End (14.3Mb)
  432. Uncle_Joe's_Luck (6.6Mb)
  433. Guardian for Jimmy (14Mb)
  434. When Thief Catches Thief (14.2Mb)
  435. The Innocent Criminal (13.6Mb)
  436. Wolf Creek (13.6Mb)
  437. Restitution (13.7Mb)
  438. The Lost Lady (13.6Mb)
  439. Hidden Evidence (13.7Mb)
  440. Secret Orders (13.6Mb)
  441. The Man Who Fled (14.3Mb)
  442. The Cascade Case (13.9Mb)
  443. The Fugitive Bride (13.4Mb)
  444. The Wolf Cub (13.4Mb)
  445. Canyon Cache (13.5Mb)
  446. Mystery of the Ridge (13.5Mb)
  447. Twenty Little Indians (13.7Mb)
  448. Unfinished Note (13.7Mb)
  449. The Two Bullets (13.6Mb)
  450. Wand Diamond (13.4Mb)
  451. Notorious Chet Craig (13.6Mb)
  452. The_Dead_Man's_Trail (13.2Mb)
  453. The Angel of Death (13.8Mb)
  454. Six Gun Clue (13.3Mb)
  455. Jose's Return (13.7Mb)
  456. Revenge from Beyond (13.4Mb)
  457. The Bag of Gold (13.6Mb)
  458. Race of the River Boats (13.6Mb)
  459. The Diamond Solitaire (13.6Mb)
  460. Stolen Gold (13.4Mb)
  461. The Spread Eagle Raid (13.7Mb)
  462. The Beaverton Legacy (14Mb)
  463. A Change of Mind (13.8Mb)
  464. Ten Thousand Counterfeit (13.4Mb)
  465. The Branded Pelts (13.6Mb)
  466. Logan's_Luck (13.4Mb)
  467. Cal_Dorset's_Hair (13.4Mb)
  468. The Gold Behind the Waterfall (7Mb)
  469. The Polar Quest (11.2Mb)
  470. Left to Die (7Mb)
  471. The Sack of Sand (7.3Mb)
  472. The Malemute Express (10.1Mb)
  473. The Torn Map (6.9Mb)
  474. Diagram of Danger (13.4Mb)
  475. The Red Raiders (13.2Mb)
  476. Dog Crazy (13.3Mb)
  477. The Malacca Cane (13.1Mb)
  478. The Vagabond (13.4Mb)
  479. The Criminal Collie (13.2Mb)
  480. The Blue Paper (13.4Mb)
  481. Harper's_Castle (13.4Mb)
  482. A Dog Called Sparky (13.2Mb)
  483. Fugitive from Bald Rock (13.2Mb)
  484. The Masked Gunman (13.5Mb)
  485. Out of the Night (13.6Mb)
  486. Heart of a Killer (13.7Mb)
  487. Dead_Man's_Whistle (13.8Mb)
  488. A Call to Action (13Mb)
  489. Undercover (12.8Mb)
  490. Contention (13.5Mb)
  491. Whistling in the Dark (13.6Mb)
  492. Friend in Need (13.6Mb)
  493. The Ghost Riders (13.4Mb)
  494. The Clue of the Silver Pup (6.7Mb)
  495. Passport to Death (13.5Mb)
  496. The Telltale Knife (13.6Mb)
  497. The Wrong Map (13.1Mb)
  498. The Rebel Yell (13.1Mb)
  499. Death Waits on the River (13.1Mb)
  500. The Man in the Canyon (13Mb)
  501. Gold Fever (12.8Mb)
  502. Spider_Burke's_Daughter (13.5Mb)
  503. Wild Dog (13.2Mb)
  504. The Indian Sign (13.4Mb)
  505. The Notorious Hawk Cooper (13.5Mb)
  506. Danger_at_Devil's_Gorge (13.6Mb)
  507. Murder on Fox Run (13.6Mb)
  508. Escape by Night (13.5Mb)
  509. White Fox for Marie (13.9Mb)
  510. Storm the Pass (13.8Mb)
  511. The King of Keena Creek (13.5Mb)
  512. The Trail Robbers (13.3Mb)
  513. Wrong Trail (14Mb)
  514. Honest Young Man (13.9Mb)
  515. Blackmailer's_Payoff (13.8Mb)
  516. Vanished Loot (13.6Mb)
  517. Job for Jim Lackey (13.9Mb)
  518. The Russian Rubies (13.8Mb)
  519. Secret of the Closed Room (13.7Mb)
  520. Doctor Redcoat (13.4Mb)
  521. The Third Strike (13.8Mb)
  522. Never Be Missed (13.7Mb)
  523. The Counterfeit Heiress (13.8Mb)
  524. Old Faithful (14Mb)
  525. Cabin 102 (14.2Mb)
  526. The Blue Scarf (14.2Mb)
  527. Trapper's_Trail (11.9Mb)
  528. Take It Easy (13.7Mb)
  529. The Blind Husky (11.9Mb)
  530. Team-Mates (13.9Mb)
  531. Rowdy's_Choice (13.3Mb)
  532. Indian Dream (13.6Mb)
  533. Number One Challenger (13.2Mb)
  534. The Stuffed Shirt (13.1Mb)
  535. Murder at the Flood (13.5Mb)
  536. A Boy Called Jack (13.5Mb)
  537. Thieves'_Congress (13.5Mb)
  538. Tom_Barry's_Return (13.4Mb)
  539. The_Trail's_End (13.4Mb)
  540. The Innocent Fugitives (13.5Mb)
  541. And Far Away (13.5Mb)
  542. The_Widow's_Son (13.5Mb)
  543. The Man Who Feared Dogs (13.4Mb)
  544. Ambush in Bellary Flats (10.1Mb)
  545. Against Time (12.9Mb)
  546. The Red Parka (13.1Mb)
  547. The Scent of Death (13Mb)
  548. Bullets for Preston (13.1Mb)
  549. Red Coated Crook (11.5Mb)
  550. Boy Alone (13.1Mb)
  551. Junior Partner (13.1Mb)
  552. Dividend on Murder (13.1Mb)
  553. The Landlady (10.1Mb)
  554. The Killer Cree (13Mb)
  555. Chance Meeting (13Mb)
  556. Trapper's_Gold (12.8Mb)
  557. Uncle Ben (12.8Mb)
  558. Open and Shut (12.7Mb)
  559. Fire in the Forest (12.9Mb)
  560. Man in Hiding (12.7Mb)
  561. Double Identity (12.8Mb)
  562. The_Mutiny's_Survivor (8.4Mb)
  563. Claim 22 (5.1Mb)
  564. Reward for Shiloh (13.2Mb)
  565. Trail to Trouble (13.3Mb)
  566. The Diamond Solitaire (6.5Mb)
  567. Forbidden Ground (13.2Mb)
  568. Si_Adkin's_Gold (12.7Mb)
  569. The Forgetful Killer (13.4Mb)
  570. Sneak Gun (6.4Mb)
  571. Death in the Air (27.4Mb)
  572. Trap for a Killer (27.5Mb)
  573. Needed Cash (27.3Mb)
  574. Grim Journey (27.5Mb)
  575. Shag and the Fur Thieves (27.5Mb)
  576. Jerry Goes Home (27.4Mb)
  577. Cave-In (27.3Mb)
  578. Frame-Up Victim (27.3Mb)
  579. Trail of Death (27.4Mb)
  580. The Trail of Gold (27.3Mb)
  581. Neil_Holton's_Vow (27.4Mb)
  582. Rainbow Gold (27.4Mb)
  583. King Proves His Worth (27.4Mb)
  584. Sins of the Father (27.4Mb)
  585. White Water (27.2Mb)
  586. McAllister's_Bonanza (27.4Mb)
  587. The Christmas Mite (27.4Mb)
  588. Arms and the Girl (27.4Mb)
  589. The Little Mountie (27.3Mb)
  590. The Return of Red Gruver (27.3Mb)
  591. Mystery Boy (27.4Mb)
  592. Treacherous Journey (13.7Mb)
  593. White Doctor (13.7Mb)
  594. Man on the Trail (13.7Mb)
  595. Ex-Partner (13.7Mb)
  596. The Streets Are Guarded (13.7Mb)
  597. Downriver Adventure (13.7Mb)
  598. One_Man's_Meat (13.7Mb)
  599. Ordeal at Fort Promise (13.6Mb)
  600. The Hidden Cabin (13.5Mb)
  601. Dead_Man's_Gold (13.7Mb)
  602. Bread upon the Waters (13.8Mb)
  603. The Case That Was Not Closed (13.7Mb)
  604. Murder on the Mountain (13.5Mb)
  605. The_Queen's_Parlor (13.3Mb)
  606. SOS from Panamint (13.2Mb)
  607. The Death Dart (13.4Mb)
  608. The Rag Doll (13.4Mb)
  609. Outlaw in Uniform (13Mb)

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