Books about Spy stories (sorted alphabetically)
- Spy: Condensed for use in schools James Fenimore Cooper
- Spy in Black J. Storer Clouston
- Spy: The Story of a Superfluous Man Maksim Gorky
- Submarine U93 Charles Gilson
- That Sweet Little Old Lady Randall Garrett and Laurence M. Janifer
- Thirty-Nine Steps John Buchan
- Three Sapphires William Alexander Fraser
- Tourist Named Death Christopher Anvil
- Traitors E. Phillips Oppenheim
- Tubemonkey Jerome Bixby
- Vultures Henry Seton Merriman
- Weight of the Crown Fred M. White
- Whoso Findeth a Wife William Le Queux
- Wireless Officer Percy F. Westerman
- Yellow Typhoon Harold MacGrath
- Zoraida: A Romance of the Harem and the Great Sahara William Le Queux
- 入れかわった男 (Japanese) E. Phillips Oppenheim