A spectacular overview of mathematics for the non-mathematician who loves mathematics. A fabulous gift for a high school or college student who is thinking seriously about becoming a mathematician. ( )

A monumental survey of mathematics. A heavy book in both senses of the word: you will need a degree in mathematics to follow most of the material and, when I tried to read it in bed, it left a dent in my stomach. ( )

Good quick reference for general mathematics. ( )