The Paternoster Ruby By: Charles Edmonds Walk

The Pirate Shark By: Elliott Whitney

The Pit Prop Syndicate By: Freeman Wills Crofts

The Profiteers By: Edward Phillips Oppenheim

The Red Triangle Being Some Further Chronicles of Martin Hewitt, Investigator By: Arthur Morrison

The Riddle Ring By: Justin McCarthy

The Rival Campers Ashore The Mystery of the Mill By: Ruel Perley Smith

The Rover Boys in Business Or, The search for the missing bonds By: Edward Stratemeyer

The Rover Boys in New York Or, Saving their father's honor By: Edward Stratemeyer

The Rover Boys in Southern Waters or The Deserted Steam Yacht By: Edward Stratemeyer

The Rover Boys in the Air From College Campus to the Clouds By: Edward Stratemeyer

The Rover Boys on Snowshoe Island or, The Old Lumberman's Treasure Box By: Edward Stratemeyer

The Ruby and the Caldron By: Anna Katharine Green

The Shape of Fear By: Elia Wilkinson Peattie

The Sheridan Road Mystery By: Paul

The Silver Butterfly By: Wilson Woodrow

The Sins of Séverac Bablon By: Sax Rohmer

The Slave of Silence By: Fred M. White

The Sleuth of St. James's Square By: Melville Davisson Post

The Strange Case of Cavendish By: Randall Parrish

The Strange Case of Mortimer Fenley By: Louis Tracy

The Substitute Prisoner By: Max Marcin

The Survivor By: Edward Phillips Oppenheim

The Tempting of Tavernake By: Edward Phillips Oppenheim

The Trial of Callista Blake By: Edgar Pangborn

The Voice in the Fog By: Harold MacGrath

The Voice on the Wire By: Eustace Hale Ball

The White Lie By: William Le Queux

The Widow Lerouge By: Emile Gaboriau

The Winning Clue By: James Hay

The Woman from Outside [on Swan River] By: Hulbert Footner

The Yellow Claw By: Sax Rohmer

The Yellow Crayon By: Edward Phillips Oppenheim

Through the Wall By: Cleveland Moffett

Timothy Crump's Ward By: Horatio Alger, Jr.

Tish By: Mary Roberts Rinehart

To Win the Love He Sought By: Edward Phillips Oppenheim

Trent's Last Case By: E. C. (Edmund Clerihew) Bentley

Two Wonderful Detectives Jack and Gil's Marvelous Skill By: Harlan Page Halsey

Uncle Bernac: A Memory of the Empire By: Sir Arthur Conan Doyle

Under the Andes By: Rex Stout

Vanished Messenger By: Edward Phillips Oppenheim

Vanishing Man By: R. Austin Freeman

Wallet of Kai Lung By: Ernest Bramah

Watchers By: A. E. W. Mason

Weapons of Mystery By: Joseph Hocking

What Timmy Did By: Marie Belloc Lowndes

Where There's a Will By: Mary Roberts Rinehart

Whither Thou Goest By: William le Queux

Within the Law By: Bayard Veiller

Wyllard's Weird By: Mary Elizabeth Braddon

Yellow House By: Edward Phillips Oppenheim

Yollop By: George Barr McCutcheon