The Creature on the Couch, by Michael Bishop –
Published: 1991
in »The Ultimate Frankenstein«, no. 2
Remo
Remo, by Warren Murphy – Co-authors Richard Sapir and Christopher Wood The Adventure Begins… The Destroyer, prequel Published: 1985
The Creature on the Couch
Jack and Jill
Jack and Jill, by James Patterson – Alex Cross, #3 Published: 1996
The Russian Expeditions
The Russian Expeditions, by John M. House – Co-author Daniel P. Curzon Published: 2019 Center of Military History
The Adventure of the Stockbroker’s Clerk
The Adventure of the Stockbroker’s Clerk, by Sir Arthur Conan Doyle – Memoirs of Sherlock Holmes Published: 1893 in »The Strand Magazine«
Sword of Destiny
Sword of Destiny, by Andrzej Sapkowski – The Witcher, prequel 1 Published: 1993
The Witch Finder General’s Curse
The Witch Finder General’s Curse, by Drac von Stoller – [pseudonym of Kevin Stoller] Horrifying Tales From The Dead I Published: 2011
An Adventure in the Fourth Dimension
An Adventure in the Fourth Dimension, by Farnsworth Wright – Published: 1923 in »Weird Tales«
Das Erbe der Dämonen
Das Erbe der Dämonen, by Wolfgang Hohlbein – Der Hexer, #10 Published: 1990
Last Rituals
Last Rituals, by Yrsa Sigurdardóttir – Thora Gudmundsdóttir, #1 Published: 2005
The Kimberley Secret
The Kimberley Secret, by Gabriel Farago – Jack Rogan, a late prequel Published: 2018
The Stone Leopard
The Stone Leopard, by Colin Forbes – Published: 1975
The Monster and the Maiden
The Monster and the Maiden, by Roger Zelazny – Published: 1971 in »The Doors of His Face«
Mr. Squem
Mr. Squem, by Arthur Russell Taylor – Published: 1918 in »Atlantic Narratives«
The Hofstad Group
The Hofstad Group, by Lorenzo Vidino – The New Face of Terrorist Networks in Europe Published: 2007
The Scarlatti Inheritance
The Scarlatti Inheritance, by Robert Ludlum – Published: 1971 [NOTE: The title was incorrectly given as Scarletti]
The Case of the Greedy Guardian
The Case of the Greedy Guardian, by Norbert Davis – Published: 1936 in »Detective Fiction Weekly«