Roget's International Thesaurus, 6th Edition
Barbara Ann Kipfer
Riemann's Zeta Function
Harold M. Edwards
Philosophy of Logic, 2nd Edition
Willard van Orman Quine
The Future of Freedom
Fareed Zakaria
Logic Machines and Diagrams
Martin Gardner
The Secret Life of Bad Bishops
Esben Lund
The Secret Ingredient: To Winning at Chess
Jan Markos & David Navara
Great Attackers
Colin Crouch