Discourse on Method ; Meditations on First Philosophy
René Descartes & Donald A. Cress
The Risen Empire
Scott Westerfeld
Succession (1)
Gnostic Intensive
Živorad Mihajlović Slavinski
Adventures of a Computational Explorer
Stephen Wolfram
Getting Started with Mathematica®
Clinton Wolfe
Knowledge and Systems Science
Yoshiteru Nakamori