Roundhead and Cavalier, by Edgar Wallace –
The Black Avons II
Published: 1925
The Burgoyne Campaign
The Burgoyne Campaign, by Ethan Allen – Published: 1877 Troy Whig Publishing, Co.
The Holmes-Dracula File
The Holmes-Dracula File, by Fred Saberhagen – Dracula Sequence, #1 Published: 1978
The Sloths of Kruvny
The Sloths of Kruvny, by Vern Fearing – [pseudonym] Published: 1953 in »Amazing Stories«
Alpha Gamers
Alpha Gamers, by Griffin Barber – Published: 2019 in »Voices of the Fall«
Die Schlacht um Berlin
Die Schlacht um Berlin, by Earl F. Ziemke – Published: 1968
Veiled Alliances
Veiled Alliances, by Kevin Anderson – Saga of Seven Suns, prequel Published: 2011
A Test of Wills
A Test of Wills, by Charles Todd – [pseudonym of Charles and Caroline Watjen] Inspector Ian Rutledge, #1 Published: 1996
Rides a Stranger
Rides a Stranger, by David Bell – Bibliomysteries Published: 2013
Cold Black
Cold Black, by Alex Shaw – Aidan Snow, #1 Published: 2010
The Deaf and Dumb Girl
The Deaf and Dumb Girl, by unknown author – Published: 1839 in »The Casket«
John Ovington Returns
John Ovington Returns, by Max Brand – [pseudonym of Frederick Schiller Faust] Published: 1918 in »All-Story Weekly«
Saiwa Tjalem
Saiwa Tjalem, by Karl May – Auf fremden Pfaden Published: 1897
Arcadian Genesis
Arcadian Genesis, by Greig Beck – Alex Hunter, prequel Published: 2012
Hater
Hater, by David Moody – Hater, #1 Published: 2006
Goliath
Goliath, by Richard Turner – Ryan Mitchell, #1 Published: 2014
Forty, Counting Down
Forty, Counting Down, by Harry Turtledove – Justin Kloster Published: 1999 in Counting Up, Counting Down
First Stage – Moon
First Stage – Moon, by Dick Hetschel – [pseudonym] Published: 1954 in »Amazing Stories«
Die vierzig Tage des Musa Dagh
Die vierzig Tage des Musa Dagh, by Franz Werfel – Published: 1933
Spider Wars
Spider Wars, by Brent Reilly – Published: 2018