Stories by Martin Gardner

How to triumph at nim by playing safe, and John Horton Conway's game “Hackenbush”

Further encounters with touching cubes, and the paradoxes of Zeno as "supertasks"

Advertising premiums to beguile the mind; classics by Sam Loyd, master puzzle-poser

New puzzles from the game of Halma, the noble ancestor of Chinese checkers

The plaiting of Plato's polyhedrons and the asymmetrical yin-yang-lee

Ticktacktoe and its complications, and answers to the quickie puzzles

Quickie problems: not hard, but look out for the curves

The Turing game and the question it presents: Can a computer think?

The combinatorial richness of folding a piece of paper

Geometric fallacies: hidden errors pave the road to absurd conclusions

The orders of infinity, the topological nature of dimension and "supertasks"

Lessons from Dr. Matrix in chess and numerology

The paradox of the nontransitive dice and the elusive principle of indifference

A new collection of short problems and the answers to some of "life's"

The fantastic combinations of John Conway's new solitaire game "life"

On the cyclical curves generated by wheels that roll along wheels

Backward run numbers, letters, words and sentences until boggles the mind

Diophantine analysis and the problem of Fermat's legendary last theorem

Elegant triangle theorems not to be found in Euclid

Of optical illusions, from figures that are undecidable to hot dogs that float

Some mathematical curiosities embedded in the solar system

Cyclic numbers and their properties, and answers to last month's problems

Nine new puzzles to solve, some answers and addenda

The abacus: primitive but effective digital computer