The Crack in Space (1966)
Philip K Dick
Death Ray Butterfly
Tom Lichtenberg
Grumbles from the Grave
Robert A. Heinlein & Virginia Heinlein
The Human Blend
Alan Dean Foster
Tipping Point (1)
Wintersmith
Terry Pratchett
Discworld: Young Adult (4)
A Hat Full Of Sky
Discworld: Young Adult (3)
The Wee Free Men
Discworld: Young Adult (2)