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Robert A. Heinlein
The Long Cosmos
Terry Pratchett & Stephen Baxter
The long Earth (5)
To See the Invisible Man
Robert Silverberg
Finity's end
C.J. Cherryh
The Company Wars (7)
The Infinity Concerto
Greg Bear
Songs of Earth and Power (1)
The Serpent Mage
Songs of Earth and Power (2)