| 1. | Robert Randolph Inman. Dandy Dick, Detective; or, The Still Hunt at 
      Burnt Match. April 1, 1891. Found in: Beadle's Popular Library, no. 1; Half-Dime Library, 
      no. 1024. On the Overland trail to Colorado. |  
    | 2. | Marcus H. Waring. The Three Spotters; or, Running down the Rogues. 
        April 8, 1891. Found in: Beadle's Popular Library, no. 2; Half-Dime Library, 
        no. 1026. New York City detective story. | 
   
    | 3. | William West Wilder. Cowboy Chris, the Man of Caliber; or, Hot Times 
        in Hot Hole. April 15, 1891. Found in: Beadle's Popular Library, no. 3; Half-Dime Library, 
        no. 1032. In the San Juan Valley, northwestern New Mexico. | 
   
    | 4. | Robert Randolph Inman. Dandy Dick's Double; or, The Severed Head 
        of Paradise Pocket. April 22, 1891.Found in: Beadle's Popular Library, no. 4; Half-Dime Library, 
        no. 1036. Mining town on the Overland trail, Colorado. | 
   
    | 5. | Marcus H. Waring. The Street Spotters' Weird Hunt; or, The Angel 
        of the Docks. April 29, 1891. Found in: Beadle's Popular Library, no. 5; Half-Dime Library, 
        no. 1048. New York City and vicinity. | 
   
    | 6. | Sam S. Scott. Mustang Merle, the Boy Rancher; or, Old Joe Bundy's 
        Wipe-Out. May 6, 1891. Found in: Beadle's Popular Library, no. 6; Half-Dime Library, 
        no. 1039. Guadalupe Hills, New Mexico. | 
   
    | 7. | Edward Lytton. Flip Fred, the Pack-Peddler Prince; or, The Witch 
        of the Black Swamp. May 13, 1891. Found in: Beadle's Weekly/Banner Weekly (various title changes), 
        no. 132; Beadle's Popular Library, no. 7; Half-Dime Library, 
        no. 1087. | 
   
    | 8. | William West Wilder. Cowboy Chris to the Fore; or, Scourging the 
        Scourge of the San Juan. May 20, 1891. Found in: Beadle's Popular Library, no. 8; Half-Dime Library, 
        no. 1041. San Juan Valley, northwestern New Mexico. | 
   
    | 9. | Marcus H. Waring. The Three Spotters' Dead Mystery; or, Blond Bert 
        of Brick Alley. May 27, 1891. Found in: Beadle's Popular Library, no. 9; Half-Dime Library, 
        no. 1053. New York City detective story. | 
   
    | 10. | Robert Randolph Inman. Dandy Dick Decoyed; or, The Terrible Tussle 
        of Satan's Delight. June 3, 1891. Found in: Beadle's Popular Library, no. 10; Half-Dime Library, 
        no. 1064. Southwestern Colorado. More doings of Duval's gang of outlaws. | 
   
    | 11. | Edward Lytton. Rustling Rob, the Tramp's Protégé; or, 
        The Master of the Cedars. June 10, 1891. Found in: Beadle's Weekly/Banner Weekly (various title changes), 
        no. 77; Beadle's Popular Library, no. 11; Half-Dime Library, 
        no. 1097. | 
   
    | 12. | Sam S. Scott. Mustang Merle's Mine; or, Dolores Dick and Pard. 
        June 17, 1891.Found in: Beadle's Popular Library, no. 12; Half-Dime Library, 
        no. 1045. The scene is laid in Texas. | 
   
    | 13. | Marcus H. Waring. The Three Spotters' Duel in the Dark; or, The Thugs 
        and Trailers of Gotham. June 24, 1891. Found in: Beadle's Popular Library, no. 13; Half-Dime Library, 
        no. 1084. New York City. | 
   
    | 14. | William West Wilder. Cowboy Chris in Cinnabar; or, The Battle for 
        the Blue Jeans. July 1, 1891. Found in: Beadle's Popular Library, no. 14; Half-Dime Library, 
        no. 1056. "Cinnabar City," somewhere out West. | 
   
    | 15. | Redmond Blake. Lightning Leo, the Behind-the-Scenes Detective; or, 
        The Square Sport's Secret Trust. July 8, 1891. Found in: Beadle's Popular Library, no. 15; Half-Dime Library, 
        no. 1091. New York City stage-detective story. | 
   
    | 16. |  Robert Randolph Inman. Dandy Dick's Decoy; or, The Rousing Time 
        at Rough-and-Tumble. July 15, 1891. Found in: Beadle's Popular Library, no. 16; Half-Dime Library, 
        no. 1071. Southwestern Colorado. | 
   
    | 17. | Edward Lytton. Billy Bub, the Double Prize Detective; or, Old Arsenic's 
        Secret. July 22, 1891. Found in: Beadle's Weekly/Banner Weekly (various title changes), 
        no. 87; Beadle's Popular Library, no. 17; Half-Dime Library, 
        no. 1093. | 
   
    | 18. | Sam S. Scott. Mustang Merle's Merciless Foe; or, The Accursed Brand. 
        July 29, 1891. Found in: Beadle's Popular Library, no. 18; Half-Dime 
        Library, no. 1054. Rio Tagus, Texas(?). | 
   
    | 19. | Marcus H. Waring. The Three Spotters' Hot Heat; or, Running Down 
        the Red-Handed Sport. The Story of the Leeman Murder Mystery. August 
        5, 1891. Found in: Beadle's Popular Library, no. 19; Half-Dime 
        Library, no. 1077. New York City. | 
   
    | 20. | William West Wilder. Cowboy Chris, the Desert Centaur; or, Hawking 
        for the Human Hawk. August 12, 1891. Found in: Beadle's Popular Library, no. 20; Half-Dime 
        Library, no. 1066. Indians and cowboys in Arizona. | 
   
    | 21. | Redmond Blake. Lightning Leo's Luck; or, The Rats of the River. 
        August 19, 1891. Found in: Beadle's Popular Library, no. 21; Half-Dime 
        Library, no. 1099. New York City detective tale.  | 
   
    | 22. | Robert Randolph Inman. Dandy Dick's Dead-Lock; or, The Last Round 
        at Nip-'n-Tuck. August 26, 1891.Found in: Beadle's Popular Library, no. 22; Half-Dime 
        Library, no. 1100. "Nip-'n-Tuck," later "Imperial City," Colorado. | 
   
    | 23. |  Frank Fort. Lion Heart Lee, the Lakeside Detective; or, Saved by 
        the Skin of his Teeth. September 2, 1891. Found in: Beadle's Popular Library, no. 23; Half-Dime 
        Library, no. 1078. A detective story, scene laid in Chicago. | 
   
    | 24. |  Edward Lytton. Bullion Bret, the Giant Grip; or, The Ruction at 
        Git-Thar. September 9, 1891. Beadle's Weekly/Banner Weekly 
        (various title changes), no. 72; Beadle's Popular Library, no. 24
        ; Half-Dime Library, no. 1079.
       | 
   
    | 25. | Marcus H. Waring. The Three Spotters' Convict Client; or, A Dead 
        Man's Device. The Romance of Old John Marcy's Legacy. September 16, 
        1891. Found in: Beadle's Popular Library, no. 25; Half-Dime 
        Library, no. 1088. New York City detective tale. | 
   
    | 26.  | Sam S. Scott. Mustang Merle's Mandate; or, Wiping out the War Saddles. 
        September 23, 1891. Found in: Beadle's Popular Library, no. 26; Half-Dime 
        Library, no. 1074. Bandits in New Mexico.  | 
   
    | 27.  | Charles Morris. Detective Franks Full Flush; or, Dodger against Dodger. 
        September 30, 1881. Found in: Beadle's Popular Library, no. 27; Half-Dime 
        Library, no. 1085. New York City.  | 
   
    | 28.  | Robert Randolph Inman. Dandy Dick's Defense; or, The Invisible Seven 
        of Imperial City. October 7, 1891. Found in: Beadle's Popular Library, no. 28; Half-Dime 
        Library, no. 1086. Preceded by Beadle's Popular Library, no. 22 and followed by 
        Beadle's Popular Library, no. 34; Beadle's Popular Library, 
        no. 40 and Beadle's Popular Library, no. 46. Colorado. | 
   
    | 29. |  T. W. King. The Detective Quartet; or, Suicide, Murder or Accident? 
        October 14, 1891. Found in: Beadle's Popular Library, no. 29; Half-Dime 
        Library, no. 1098. New York City detective story. | 
   
    | 30.  | William West Wilder. Cowboy Chris, the Vengeance Volunteer; or, The 
        Death-Hunt Pards. October 21, 1891. Found in: Beadle's Popular Library, no. 30; Half-Dime 
        Library, no. 1075. Arizona. | 
   
    | 31. |  Edward Lytton. Poorhouse Pete, the Postal Clerk Detective; or, The 
        Precious Patrimony. October 28, 1891. Found in: Beadle's Weekly/Banner Weekly (various title 
        changes), no. 118; Beadle's Popular Library, no. 31; Half-Dime 
        Library, no. 1105. | 
   
    | 32. |  Albert Cecil Gaines. Prince Philip, the Camp Spy; or, The Thugs 
        of Triple Butte. A Romance of the Arizona Thunderbolt Legion. November 
        4, 1891.Found in: Beadle's Popular Library, no. 32; Half-Dime 
        Library, no. 1101. A mining story of Arizona. | 
   
    | 33. |  Charles Morris. Shorty Dan, the Sidewalk Prince; or, Gamin against 
        the Field. November 11, 1891. Found in: Beadle's Popular Library, no. 33
        ; Half-Dime Library, no. 1102.        Philadelphia gamin detective. | 
   
    | 34. |  Robert Randolph Inman. Dandy Dick's Dragnet; or, Seining the Invisible 
        Six. November 18, 1891. Found in: Beadle's Popular Library, no. 34; Half-Dime Library, 
        no. 1096. Preceded by Beadle's Popular Library, no. 22 and Beadle's 
        Popular Library, no. 28 and followed by Beadle's Popular Library, 
        no. 40 and Beadle's Popular Library, no. 46."Imperial City," Colorado. | 
   
    | 35.  | Frank Fort. Lion Heart Lee's Lottery; or, The Lakeside Detective's 
        Life Lay. November 25, 1891.Found in: Beadle's Popular Library, no. 35; Half-Dime Library, 
        no. 1082. Chicago detective story. | 
   
    | 36.  | Sam S. Scott. Mustang Merle's Fight for Life; or, Captain Silver 
        Belt's Oath. December 2, 1891. Found in: Beadle's Popular Library, no. 36; Half-Dime Library, 
        no. 1089. A tale of Indians, cattle thieves, etc. in the Rio Tagus region, Texas(?), 
        on the Mexican border. | 
   
    | 37.  | Marcus H. Waring. The Three Spotters' Last Lay; or, The Neck and 
        Neck Campaign. December 9, 1891. Found in: Beadle's Popular Library, no. 37; Half-Dime Library, 
        no. 1095. New York City detective tale. | 
   
    | 38. |  William West Wilder. Cowboy Chris' Last Campaign; or, The Grand 
        Round-Up at Robinson's Ranch. December 16, 1891. Found in: Beadle's Popular Library, no. 38; Half-Dime 
        Library, no. 1094. New Mexico ranch life. | 
   
    | 39.  | T. J. Flanagan. Roderick, the Rover; or, The Voyage of Vengeance. 
        December 23, 1891. Found in: Beadle's Popular Library, no. 39; Half-Dime 
        Library, no. 1058. Philadelphia  on the sea to the West Indies  New York City 
         Boston. Time: 1796. Featuring Captain William Bainbridge. | 
   
    | 40. |  Robert Randolph Inman. Dandy Dick's Desperate Device; or, Prince 
        Richard in Double Guise. December 30, 1891. Found in: Beadle's Popular Library, no. 40; Half-Dime 
        Library, no. 1081. Follows Beadle's Popular Library, no. 22; Beadle's Popular 
        Library, no. 28; and Beadle's Popular Library, no. 34 and is 
        followed by Beadle's Popular Library, no. 46.Colorado. | 
   
    | 41. |  Edward Gaines Burnes. The League of Seven; or, Sam Sharp's First 
        Case. January 6, 1891. Found in: Beadle's Popular Library, no. 41; Half-Dime 
        Library, no. 1076. A New York story of the "great tunnel plot." | 
   
    | 42. |  Sam S. Scott. Mustang Merle's High Harvest; or, The Three Pards' 
        Grand Wind-Up. January 13, 1892. Found in: Beadle's Popular Library, no. 42; Half-Dime 
        Library, no. 1083. Ranch life in the southwestern Apache country. | 
   
    | 43. |  Charles Morris, E. L. Wheeler, J. C. Cowdrick, et al. Jubilee Joe, 
        the Chain-Lightning Detective; or, The Lamb in the Wolfs Den. January 
        20, 1892. Found in: Beadle's Weekly/Banner Weekly (various title 
        changes), no. 128; Beadle's Popular Library, no. 43; Half-Dime 
        Library, no. 1090. | 
   
    | 44.  | William West Wilder. Wild Bill's Wierd Foe; or, The Mystery of Moaning 
        Gulch. January 27, 1892. Found in: Beadle's Popular Library, no. 44; Half-Dime 
        Library, no. 1063. Black Hills, South Dakota, in 187-. | 
   
    | 45. |  Marcus H. Waring. Foxy Fred, the Keener; or, Bagging the Sand Bagger 
        Trio. February 3, 1892. Found in: Beadle's Popular Library, no. 45; Half-Dime 
        Library, no. 1107. New York City detective tale. | 
   
    | 46.  | Robert Randolph Inman. Dandy Dick's Disciple; or, Jingo Jack, the 
        Boy Nemesis. February 10, 1892. Found in: Beadle's Popular Library, no. 46; Half-Dime 
        Library, no. 1092.Follows Beadle's Popular Library, no. 22; Beadle's Popular 
        Library, no. 28; Beadle's Popular Library, no. 34 and Beadle's 
        Popular Library, no. 40.Colorado. | 
   
    | 47. |  Edward Gaines Burnes. Lightning Lew, the King of the Secret Service; 
        or, Sam Sharp's Big Score. February 17, 1892. Found in: Beadle's Popular Library, no. 47; Half-Dime 
        Library, no. 1103. New York City detective story. | 
   
    | 48. |  William West Wilder. Wild Bill's Sable Pard; or, The Pirates of 
        Peaceful Pocket. February 24, 1892. Found in: Beadle's Popular Library, no. 48; Half-Dime 
        Library, no. 1073. Colorado, near the Kansas boundary line. The following two novels were announced but never issued in this "Library." | 
   
    | 49. |  Marcus H. Waring. Foxy Fred's Odd Pard; or, The Boy Detective's 
        Successful Season. March 2, 1892. Found in: Beadle's Popular Library, no. 49 (not published), 
        Half-Dime Library, no. 771. New York City. | 
   
    | 50.  | Sam S. Scott. Eagle Ned, the Boy on Guard; or, The Camp Spiders of 
        Ragged Robin. March 9, 1892. Found in: Beadle's Popular Library, no. 50 (not issued), 
        Half-Dime Library, no. 768. Arizona. |