Gardner Martin. Sixth Book of Mathematical Diversions from Scientific American

University of Chicago Press, 2001. — 266 p. — ISBN 0-226-28250-3.For 25 of his 95 years, Martin Gardner wrote 'Mathematical Games and Recreations', a monthly column for Scientific American magazine. These columns have inspired hundreds of thousands of readers to delve more deeply into the large world of mathematics. He has also made significant contributions to magic, philosophy, debunking pseudoscience, and children's literature. He has produced more than 60 books, including many best sellers, most of which are still in print. His Annotated Alice has sold more than a million copies. He continues to write a regular column for the Skeptical Inquirer magazine.The Helix
Klein Bottles and Other Surfaces
Combinatorial Theory
Bouncing Balls in Polygons and Polyhedrons
Four Unusual Board Games
The Rigid Square and Eight Other Problems
Sliding-Block Puzzles
Parity Checks
Patterns and Primes
Graph Theory
The Ternary System
The Trip around the Moon and Seven Other Problems
The Cycloid: Helen of Geometry
Mathematical Magic Tricks
Word Play
The Pythagorean Theorem
Limits of Infinite.Series
Polyiamonds
Tetrahedrons
Coleridge's Apples and Eight Other Problems
The Lattice of Integers
Infinite Regress
O'Gara, the Mathematical Mailman
OpArt
Extraterrestrial Communication