Complete Works of Xenophon (Illustrated) (Delphi Ancient Classics)
Xenophon
The Design of Everyday Things: Revised and Expanded Edition
Norman, Don
Hypercomplex Numbers: An Elementary Introduction to Algebras
I. L. Kantor & A. S. Solodovnikov
Math You Can't Use : Patents, Copyright, and Software
Ben Klemens
New Foundations for Classical Mechanics
D. Hestenes