more mathematical puzzles and diversions
Gardner, Martin
more mathematical puzzles and diversions Martin Gardner - USA Penguin Books 1966 - 186p.
MATHEMATICS
MAZES
PUZZLES
SQUARES
51 / GAR-M
more mathematical puzzles and diversions Martin Gardner - USA Penguin Books 1966 - 186p.
MATHEMATICS
MAZES
PUZZLES
SQUARES
51 / GAR-M