Tunnel in the Sky
Robert A. Heinlein
Codes, Ciphers and Secret Writing
Martin Gardner
Dover Children's Activity Books (1)
Knowledge representation for agents and multi-agent systems ...
John-Jules Meyer & Jan M. Broersen
Lecture notes in artificial intelligence (5605)
Smarandache Fuzzy Algebra - Volume 9
W. B. Vasantha Kandasamy
Enlightenment Contested: Philosophy, Modernity, and the Emancipation ...
Jonathan I. Israel & Professor Of Modern European History Jonathan I Israel
The 12th Planet
Zecharia Sitchin
Sitchin's Earth Chronicles.Earth Chronicles (1)