Sphere Packing, Lewis Carroll and Reversi (New Martin Gardner Mathematical Library)

Sphere Packing, Lewis Carroll and Reversi (New Martin Gardner Mathematical Library)

Origami, Eleusis, and the Soma Cube: Martin Gardner's Mathematical Diversions (The New Martin Gardner Mathematical Library, Series Number 2)

Hexaflexagons, Probability Paradoxes, and the Tower of Hanoi: Martin Gardner's First Book of Mathematical Puzzles and Games (The New Martin Gardner Mathematical Library, Series Number 1)