- Author: John Mantley Author Record # 20956
- Legal Name: Mantley, John Truman
- Birthplace: Toronto, Ontario, Canada
- Birthdate: 25 April 1920
- Deathdate: 14 January 2003
- Language: English
- Webpages: IMDB, SF Site, SFE, Wikipedia-EN
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Novels
- The Twenty-Seventh Day (1956)
- The Black Crucible (1957)
- Uncle Clem and Them Martians (1956)