Forty-two perplexing puzzles by creator of Alice in Wonderland: Cakes in a Row, Looking-Glass Time, Arithmetical Croquet, Diverse Doublets, and others. Hints, solutions. Illustrations by John Tenniel.

While her parents and teachers suffer an anxious vigil till she regains consciousness, she travels to the Kingdom of Zero through her sub-conscious mind. In the Wonderland of Numbers is the story of Neha's adventures in the Kingdom of Zero.

Here are his friendships (Brown lived, worked, ate, and fought alongside African Americans, in defiance of the culture around him), his family (he turned his twenty children by two wives into a dedicated militia), and his ideals (inspired ...

The Book of Squares by Fibonacci is a gem in the mathematical literature and one of the most important mathematical treatises written in the Middle Ages.

This book presents a clear and comprehensive introduction to one of the truly fascinating topics in mathematics: Catalan numbers.