Blue Skies
Unknown
Find Your Goddess
Skye Alexander
Anathem
Neal Stephenson
The Lightning Stones
Jack Du Brul
The Problems of Philosophy
Bertrand Russell
Oracles of Delphi Keep
Victoria Laurie
Metaphysics - Aristotle
Aristotle
InterWorld
Neil Gaiman; Michael Reaves
Forerunner foray
Andre Norton
The fires of paratime
L. E. Modesitt Jr
The Curse of Deadman's Forest
A brief history of time
Stephen Hawking