Putnam and Beyond

The Colorado Mathematical Olympiad and Further Explorations: From the Mountains of Colorado to the Peaks of Mathematics

Essential Linear Algebra with Applications: A Problem-Solving Approach

Challenging Problems in Geometry

How to Solve It: A New Aspect of Mathematical Method

Mathematical Olympiad Treasures: Edition 2

Short Tricks of Math

Theta Functions And Knots

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

Number Theory: Structures, Examples, and Problems

Humble Pi: A Comedy of Maths Errors

Complex Numbers from A to ... Z: Edition 2

Concepts of Modern Mathematics

103 Trigonometry Problems: From the Training of the USA IMO Team

Algebra II For Dummies: Edition 2

Mathematics for the Physical Sciences

102 Combinatorial Problems: From the Training of the USA IMO Team

Logically Fallacious: The Ultimate Collection of Over 300 Logical Fallacies (Academic Edition)

104 Number Theory Problems: From the Training of the USA IMO Team