Elementary Number Theory: Primes, Congruences, and Secrets: A Computational Approach

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

Elementary Number Theory

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

Fundamentals of Number Theory

Introductory Complex Analysis

An Introduction to Diophantine Equations: A Problem-Based Approach

Essential Linear Algebra with Applications: A Problem-Solving Approach

Principles And Techniques In Combinatorics

Mathematical Olympiad Treasures: Edition 2

An Introductory Course in Elementary Number Theory

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

Mathematician's Delight

Mathematical Olympiad Challenges

Concepts of Modern Mathematics

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

Ramanujan's Lost Notebook: Part I, Part 1

Geometric Problems on Maxima and Minima