"Of immense interest to those who enjoy recreational maths and puzzles . . . even the most hardened puzzler will find something new." -- Mathematical Gazette Pu

Provides information on numbers and what makes particular ones noteworthy

Collection of miscellaneous facts and anecdotes from mathematicians.

Fully illustrated in color, this treasure trove features 250 puzzles on every imaginable theme and subject. The book is a bonanza of mazes, word games, visual a

The Curious History of the Riddle investigates the fascinating origin and history of the riddle, from the very first riddle (the Riddle of the Sphinx) to the tw