Mystery & Detective

The Rover Boys Under Canvas; Or, The Mystery of the Wrecked Submarine

Roy Blakeley in the Haunted Camp

The Adventure of the Seven Keyholes

Off for Hawaii

The Silver Ring Mystery

The Sapphire Signet

A Canadian Farm Mystery; Or, Pam the Pioneer

The Corner House Girls Solve a Mystery

Greycliff Wings

The Hunt for the Missing Spy

The Bobbsey Twins at Home

Frank and Andy Afloat; Or, The Cave on the Island

The Mystery at Putnam Hall: The School Chums' Strange Discovery

Penny Nichols and the Black Imp

The Go Ahead Boys and the Mysterious Old House

Watermelon Mystery at Sugar Creek

Three Sides of Paradise Green

Fairview Boys at Camp Mystery; or, the Old Hermit and His Secret

The Bobbsey Twins in Washington

The Mystery Boys and Captain Kidd's Message