Math Bytes: Google Bombs, Chocolate-Covered Pi, and Other Cool Bits in Computing

Math Storm Olympiad Problems

Short-Cut Math

My Best Mathematical and Logic Puzzles

Google's PageRank and Beyond: The Science of Search Engine Rankings

What Is Mathematics, Really?

Who's #1?: The Science of Rating and Ranking

Alex's Adventures in Numberland: Dispatches from the Wonderful World of Mathematics

Numerical Methods: Design, Analysis, and Computer Implementation of Algorithms

536 Puzzles and Curious Problems

Calculus Made Easy: Being a Very-Simplest Introduction to Those Beautiful Methods of Reckoning Which are Generally Called by the Terrifying Names of the Differential Calculus and the Integral Calculus

Concepts of Modern Mathematics

Problems and Solutions for Integer and Combinatorial Optimization: Building Skills in Discrete Optimization

Algebra: A Complete Introduction: The Easy Way to Learn Algebra

The Book on Games of Chance: The 16th-Century Treatise on Probability

Girls Get Curves: Geometry Takes Shape

How to Calculate Quickly: Full Course in Speed Arithmetic