The Colossal Book of Short Puzzles and Problems - Book
Type: Brain Teaser
Dimensions: 9 3/4 in x 7 in x 1 1/4 in / 24.9 cm x 17.9 cm x 3.2 cm
Author: Martin Gardner
ISBN: 0393061140
EAN: 9780393061147
Grouped by subject and arrayed from easiest to hardest, the puzzles gathered here have been selected by Gardner for their illuminating--and often bewildering--solutions. Filled with over 300 illustrations.