This book not only introduces important methods and strategies for solving problems in mathematics competition, but also discusses the basic principles behind t

A unique collection of competition problems from over twenty major national and international mathematical competitions for high school students. Written for tr

The series is edited by the head coaches of China's IMO National Team. Each volume, catering to different grades, is contributed by the senior coaches of the IM

This is a challenging problem-solving book in Euclidean geometry, assuming nothing of the reader other than a good deal of courage. Topics covered included cycl

This basic introduction to number theory is ideal for those with no previous knowledge of the subject. The main topics of divisibility, congruences, and the dis