Mathematics and Plausible Reasoning, Volume 1: Induction and Analogy in Mathematics

Math Storm Olympiad Problems

Short-Cut Math

My Best Mathematical and Logic Puzzles

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

Alan Turing: The Enigma: The Book That Inspired the Film The Imitation Game - Updated Edition

536 Puzzles and Curious Problems

Concepts of Modern Mathematics

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

What Is Mathematics?: An Elementary Approach to Ideas and Methods, Edition 2

How to Calculate Quickly: Full Course in Speed Arithmetic

Figures for Fun: Stories, Puzzles and Conundrums

Complete Book of Origami Polyhedra: 64 Ingenious Geometric Paper Models (Learn Modular Origami from Japan's Leading Master!)

Zero: The Biography of a Dangerous Idea

Chess: 5334 Problems, Combinations and Games

Symmetries Of Islamic Geometrical Patterns

How to Guard an Art Gallery: And Other Discrete Mathematical Adventures

The Stanford Mathematics Problem Book: With Hints and Solutions