Cykl Weird West Tale The Buntline Special (2010) The Doctor and the Kid (2011) The Doctor and the Rough Rider (2012) The Doctor and the Dinosaurs (2013)
Cykl Dead Enders The Fortress in Orion (2014) The Prison in Antares (2015) The Castle in Cassiopeia (2017)
Trylogia Dreamscape The Master of Dreams (2018) The Mistress of Illusions (2018) The Lord of Nightmares (2018)
Pozostałe powieści Redbeard (1969) Galactica Discovers Earth (1980 razem z Glenem Larsonem, z cyklu Battlestar Galactica) Pożeracz dusz (The Soul Eater1981) Walpurgis III (1982) Birthright: The Book of Man (1982) Jeremiah (The Branch 1984) Mroczna pani (The Dark Lady: A Romance of the Far Future 1987) Kły (Ivory: A Legend of Past and Future 1988) Bully! (1990) Second Contact (1990) The Red Tape War (1991 razem z Jackiem L.