Stories by Martin Gardner

A breakthrough in magic squares, and the first perfect magic cube

A random assortment of puzzles, together with reader responses to earlier problems

On map projections (with special reference to some inspired ones)

Concerning an effort to demonstrate extrasensory perception by machine

Dr. Matrix finds numerological wonders in the King James Bible

More about tiling the plane; the possibilities of polyominoes, polyiamonds, and polyhexes

On tessellating the plane with convex polygon tiles

Games of strategy for two players: star nim, meander, dodgem and rex

On the remarkable Csszr polyhedron and its applications in problem solving

Six sensational discoveries that somehow or another have escaped public attention

From rubber ropes to rolling cubes, a miscellany of refreshing problems

How the absence of anything leads to thoughts of nothing

The curious magic of anamorphic art

The arts as combinatorial mathematics, or how to compose like Mozart with dice

Some new and dramatic demonstrations of number theorems with playing cards

On the paradoxical situations that arise from nontransitive relations

More on tangrams: Combinatorial problems and the game possibilities of snug tangrams

On the fanciful history and the creative challenges of the puzzle game of tangrams

On the patterns and the unusual properties of figurate numbers

Dr. Matrix brings his numerological Science to bear on the occult powers of the pyramid

On the contradictions of time travel, and answers to last month's problems

Nine challenging problems, some rational and some not

Reflections on Newcomb's problem: a prediction and free-will dilemma

Cram, crosscram and quadraphage: new games having elusive winning strategies