Number Theory
by George E. Andrews | 
Riemann's Zeta Function
by Harold M. Edwards | 
Fearless Symmetry
by Avner Ash |
Mathematics
by Keith Devlin | 
Anno's Math Games
by Mitsumasa Anno | 
The Adventures of Penrose the Mathematical Cat
by Theoni Pappas | 
A Course of Pure Mathematics
by G. H. Hardy | 
Meta Math!
by Gregory Chaitin | 
Mathematics and the Search for Knowledge
by Morris Kline | 
Stalking the Riemann Hypothesis
by Dan Rockmore | 
Wonders of Numbers
by Clifford A. Pickover | 
Dr. Euler's Fabulous Formula
by Paul J. Nahin | 
Further Adventures of Penrose the Mathematical Cat
by Theoni Pappas | 
The Joy of Mathematics
by Theoni Pappas | 
The Book of Numbers
by John H. Conway |
Principles of Mathematical Analysis
by Walter Rudin |
Math for Smarty Pants
by Marilyn Burns |
The Beauty of Fractals
by Heinz-Otto Peitgen | 
Speed Mathematics
by Bill Handley |
Math Hysteria
by Ian Stewart |
The fifth edition of this classic reference work has been updated to give a reasonably accurate account of the present state of knowledge.