Hegira
Greg Bear
Tower of Glass
Robert Silverberg
The Forge
S. M. Stirling & David Drake
The General (1)
Gods of Riverworld
Philip José Farmer
Riverworld (5)
Mort
Terry Pratchett
Discworld (4)
Wyrd Sisters
Discworld (6)
Witches Abroad
Discworld (12)
Carpe Jugulum
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The Long Mars
Terry Pratchett & Stephen Baxter
The long Earth (3)