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