Gardner, Martin
Entertaining Mathematical Puzzles - New York Dover Publications, Inc. 1986 - viii;112 pb 5.5x8.5
0-486-25211-6
793.74 / Gar
Entertaining Mathematical Puzzles - New York Dover Publications, Inc. 1986 - viii;112 pb 5.5x8.5
0-486-25211-6
793.74 / Gar