Martin Gardner's Sixth Book of Mathematical Games From "Scientific ...
Martin Gardner
Mathematical Carnival
The Magic Numbers of Dr. Matrix
Knotted Doughnuts and Other Mathematical Entertainments
The Second Scientific American Book of Mathematical Puzzles ...
Time Travel and Other Mathematical Bewilderments
Mathematical Magic Show
Mathematical Circus
Fractal Music, Hypercards and More...
New Mathematical Diversions
The Last Recreations
Penrose Tiles to Trapdoor Ciphers
Wheels, Life and Other Mathematical Amusements