Supernatural: Meetings With the Ancient Teachers of Mankind
Graham Hancock
3001 : The Final Odyssey
Arthur C. Clarke
Non-Monotonic Reasoning: Formalization of Commonsense Reasoning
Witold Łukaszewicz
Spinning the Semantic Web: Bringing the World Wide Web to Its ...
Dieter Fensel
Encyclopedia of Ecology
Brian D. Fath
The Usborne Children's Encyclopedia
Jane Elliott & Colin King & Susan Crawford & Annabel Craig