The Twin Mystery; Or, A Dashing Rescue by Nicholas Carter
The Great Green Diamond; Or, Thief Against Thief by Inspector Stark
A Stolen Name; Or, The Man Who Defied Nick Carter by Nicholas Carter
Snarled Identities; Or, A Desperate Tangle by Nicholas Carter
The Man Without a Conscience; Or, From Rogue to Convict by Nicholas Carter
The Great Diamond Syndicate; Or, The Hardest Crew on Record by Nicholas Carter
A Broken Bond; Or, The Man Without Morals by Nicholas Carter
Hidden Foes; Or, A Fatal Miscalculation by Nicholas Carter
A Battle for the Right; Or, A Clash of Wits by Nicholas Carter
The Photographer's Evidence; Or, Clever but Crooked by Nicholas Carter
Captain Sparkle, Pirate; Or, A Hard Man to Catch by Nicholas Carter
Out of Death's Shadow; Or, A Case Without a Precedent by Nicholas Carter
Will Somers, the Boy Detective by Charles Morris
The Bradys' Race for Life; or, Rounding Up a Tough Trio: A Detective Story of Life by Francis Worcester Doughty
Old Broadbrim Into the Heart of Australia by St. George Rathborne
The Spruce Street Tragedy; or, Old Spicer Handles a Double Mystery by Norman L. Munro
Shadow, the Mysterious Detective by Police Captain Howard
The Twin Ventriloquists; or, Nimble Ike and Jack the Juggler by Old Sleuth
The Riddle and the Ring; or, Won by Nerve by Gordon MacLaren
The Bradys After a Chinese Princess; Or, The Yellow Fiends of 'Frisco by Francis W. Doughty