Mystery & Detective

Danny Again. Further Adventures of “Danny the Detective”

Two Little Women and Treasure House

The Clue of the Gold Coin

The Camp Fire Girls; Or, The Secret of an Old Mill

The Mercer Boys' Mystery Case

The Corner House Girls' Odd Find. Where they made it, and What the Strange Discovery led to

The Yellow Phantom A Judy Bolton Mystery

Ruth Fielding of the Red Mill; Or, Jasper Parloe's Secret

Third Warning

Gypsy Flight. A Mystery Story for Girls

The Crystal Ball. A Mystery Story for Girls

A Taxicab Tangle; or, The Mission of the Motor Boys Brave and Bold Weekly No. 362

The Shadow Passes. A Mystery Story for Boys

Dan Carter and the Cub Honor

The Secret Mark. An Adventure Story for Girls

The Purple Flame. A Mystery Story for Girls

The Magic Curtain A Mystery Story for Girls

The Battleship Boys in Foreign Service; or, Earning New Ratings in European Seas

The Arrow of Fire A Mystery Story for Boys

Riddle of the Storm A Mystery Story for Boys