Books about Mystery and detective stories (sorted by popularity)
- Whispering Walls Mildred A. Wirt 62 downloads
- Ruth Fielding in the Great Northwest; Or, The Indian Girl Star of the Movies Alice B. Emerson 62 downloads
- Jet Plane Mystery Roy J. Snell 61 downloads
- Saboteurs on the River Mildred A. Wirt 61 downloads
- Dan Carter-- Cub Scout Mildred A. Wirt 60 downloads
- The Deserted Yacht Mildred A. Wirt 60 downloads
- Linda Carlton's Perilous Summer Edith Lavell 60 downloads
- Janet Hardy in Radio City Ruthe S. Wheeler 59 downloads
- Dan Carter and the Great Carved Face Mildred A. Wirt 59 downloads
- Mary Louise Adopts a Soldier L. Frank Baum and Emma Speed Sampson 59 downloads
- Peggy Finds the Theatre Virginia Hughes 59 downloads
- Penny Allen and the Mystery of the Hidden Treasure Jean L. McKechnie 58 downloads
- Dorothy Dixon Wins Her Wings Dorothy Wayne 58 downloads
- Le scarabée d'or (French) Edgar Allan Poe 58 downloads
- Dan Carter and the Cub Honor Mildred A. Wirt 57 downloads
- Doris Force at Locked Gates; Or, Saving a Mysterious Fortune Julia K. Duncan 57 downloads
- Dave Porter on Cave Island; Or, A Schoolboy's Mysterious Mission Edward Stratemeyer 57 downloads
- The Count's Chauffeur William Le Queux 57 downloads
- The Purple Flame Roy J. Snell 57 downloads
- The Motor Girls in the Mountains; or, The Gypsy Girl's Secret Margaret Penrose 56 downloads
- The Motor Boys After a Fortune; or, The Hut on Snake Island Clarence Young 56 downloads
- The Boys of the Wireless; Or, A Stirring Rescue from the Deep Frank V. Webster 56 downloads
- The Boy Scouts on the Roll of Honor Robert Shaler 56 downloads
- The Boy Scouts of Lenox; Or, The Hike Over Big Bear Mountain Frank V. Webster 55 downloads
- The Mercer Boys' Cruise in the Lassie Capwell Wyckoff 55 downloads