Theory and reality : an introduction to the philosophy of science
Peter Godfrey-Smith
Hypercomplex Numbers: An Elementary Introduction to Algebras
I. L. Kantor & A. S. Solodovnikov
How to Solve It: A New Aspect of Mathematical Method
George Polya
The Three Magical Books of Solomon: The Greater and Lesser Keys ...
Aleister Crowley & S. L. Macgregor Mathers & F. C. Conybear
How to Draw: Drawing and Sketching Objects and Environments ...
Scott Robertson & Thomas Bertling