Gunpowder Empire
Harry Turtledove
Cross-Time Traffic (1)
The Scarab Path
Adrian Tchaikovsky
Shadows of the Apt (5)
Harvest of Stars
Poul Anderson
Harvest of Stars (1)
Spin
Wilson, Robert Charles Charles
Variable Star
Robert A. Heinlein & Spider Robinson
The Road to Dune
Kevin J. Anderson & Brian Herbert & Frank Herbert
The Winds of Dune
Brian Herbert;Kevin J. Anderson
Heroes of Dune (2)
Paul of Dune
Heroes of Dune (1)