Piper, H Beam
Chronological Checklist
Series – Paratime Police/Lord Kalvan
- Lord Kalvan of Otherwhen (New York: Ace Books, 1965)
- Gunpowder God (London: Sphere Books, 1978)
- Paratime (New York: Ace Books, 1981)
- The Complete Paratime (New York: Ace Books, 2001)
- Last Enemy (place not given: Project Gutenberg, 2006)
- He Walked Around the Horses (place not given: Project Gutenberg, 2006)
- Temple Trouble (place not given: Project Gutenberg, 2006)
- Police Operation (place not given: Project Gutenberg, 2006)
- Time Crime (place not given: Project Gutenberg, 2007)
- Paratime!: Collected Paratime Stories (Rockville, Maryland: Wildside Press, 2010)
- Time Crime (Boalsburg, Pennsylvania: Pequod Press, 2010) with John F Carr