A funny, entertaining introduction to Ben Franklin and his many inventions, including the story of how he created the "magic square." A magic square is a box of

This innovative work replaces magic square numbers with two-dimensional forms. The result is a revelation that traditional magic squares are now better seen as

A story book for all ages to experience mathematics, problems solving, and the rewards that come with perseverance."Long ago in the land of China, there were ma

Presents the development of Chinese urbanism. Equipped with source material and maps, this book applies metrological methods. Including about 300 drawings, it g