A celebrated mathematician presents more than 200 increasingly complex problems that delve into Gödel's undecidability theorem and other examples of the deepes

Read the series that's sold more than 2 million copies--if you dare! Warning: this description has not been authorized by Pseudonymous Bosch. As much as he'd lo

Baby-naming has become an art form with parents today, but where do parents go to find names and their meanings? The Name Book offers particular inspiration to

Identifies first names for boys and girls and reveals their origins and meanings, in addition to featuring popularity rankings for names from around the world,

Indicates the meanings, sources, and pronunciations of thousands of names from cultures throughout the world as well as astrological names, and gives tips on cr