Books about Mystery and detective stories (sorted alphabetically)
- Haunted Bookshop Christopher Morley
- Haunted Fountain Margaret Sutton
- Heart of a Mystery T. W. Speight
- Heart of a Woman Baroness Emmuska Orczy Orczy
- Hoofbeats on the Turnpike Mildred A. Wirt
- Hour of Enchantment Roy J. Snell
- House of a Thousand Candles Meredith Nicholson
- house on the cliff Franklin W. Dixon
- Hunting for hidden gold Franklin W. Dixon
- Jack the runaway; or, On the road with a circus Frank V. Webster
- Janet Hardy in Hollywood Ruthe S. Wheeler
- Janet Hardy in Radio City Ruthe S. Wheeler
- Jet Plane Mystery Roy J. Snell
- Jim Cummings; Or, The Great Adams Express Robbery A. Frank Pinkerton
- Joan of the Journal Helen Diehl Olds
- Larry Dexter and the Stolen Boy; or, A Young Reporter on the Lakes Howard Roger Garis
- Linda Carlton, Air Pilot Edith Lavell
- Linda Carlton's Hollywood Flight Edith Lavell
- Linda Carlton's Island Adventure Edith Lavell
- Linda Carlton's Ocean Flight Edith Lavell
- Linda Carlton's Perilous Summer Edith Lavell
- Lost Naval Papers Bennet Copplestone
- Magic Curtain Roy J. Snell
- man in grey Baroness Emmuska Orczy Orczy
- Mary Louise Adopts a Soldier L. Frank Baum and Emma Speed Sampson