In the Service of Mrs. Claus by Mathbrush 2019 (4 ratings)

Incident at Karrousel Park by David Curran

Infidel by Michael Berlyn 1983 (54 ratings)

Infinite Adventure by B.J. Best (writing as “A. Scotts”) 2021 (8 ratings)

INK by Sangita V Nuli 2022 (8 ratings)

Into the Dragon's Den, by Xanmag (2016)

Island of Death, by Stephen Preston (1984)

Island of the Lizard King by Ian Livingstone 1985

It Is Pitch Black by Caelyn Sandel 2014 (20 ratings)

Italianate, by Andy McDermott (2022)

I’m the Echo when You call by PDRRook 2022

James Bond Needs You by Adam Birk 2013

Jazz Age by Nicola R. White 2019 (2 ratings)

Jazz auf Tegemis by Joerg Rosenbauer 2004 (3 ratings)

Jeffrey the Homicidal Mimic, by Deathalicious (2009)
(1 rating)

Jinxter by Georgina Sinclair, Michael Bywater 1987 (10 ratings)

Jon Doe – Wildcard Nucleus by Olaf Nowacki 2019 (7 ratings)

Jones N. Forebuts and the Secret of the Golden Butt, by Casper Candlewood (2016)

Journey to Death, by Philip M. Reynolds, Simon M. Langan (1992)

Journeys end by Epicnuker129 (1 rating)