Books about Mystery fiction (sorted alphabetically)
- Terror: A Mystery Arthur Machen
- That Little Girl of Miss Eliza's: A Story for Young People Jean K. Baird
- Thing Beyond Reason Elisabeth Sanxay Holding
- Three Sides of Paradise Green Augusta Huiell Seaman
- Tickencote Treasure William Le Queux
- Till the Clock Stops J. J. Bell
- Tom Fairfield in Camp; or, The Secret of the Old Mill Allen Chapman
- Tom Ossington's Ghost Richard Marsh
- Tom Sawyer, Detective Mark Twain
- Tom Sawyer salapoliisina (Finnish) Mark Twain
- Tom Sawyers Neue Abenteuer (German) Mark Twain
- Tom Slade in the north woods Percy Keese Fitzhugh
- Tom Slade on Overlook Mountain Percy Keese Fitzhugh
- Trees of Pride G. K. Chesterton
- Trial of Callista Blake Edgar Pangborn
- Turnpike House Fergus Hume
- Under Cover Wyndham Martyn and Roi Cooper Megrue
- Vanishing Comrade: A Mystery Story for Girls Ethel Cook Eliot
- Vanishing of Tera Fergus Hume
- Virginia's Ranch Neighbors Grace May North
- Voice from the Void: The Great Wireless Mystery William Le Queux
- Wayward Winifred Anna T. Sadlier
- Weird Picture John R. Carling
- Whatsoever a Man Soweth William Le Queux
- What Timmy Did Marie Belloc Lowndes