Are Universes Thicker Than Blackberries?
Discourses on Godel, Magic Hexagrams, Little Red Riding Hood, and Other Mathematical and Pseudoscientific Topics »

Aha! A Two Volume Collection
Aha! Gotcha and aha!Insight are here combined as a single volume. The Aha! books as they are referred to by fans of Martin Gardner, contain 144 wonderful pu... »

On The Wild Side
The Big Ban »

The Snark Puzzle Book
Seventy-five brain teasers relating to Lewis Carroll's nonsense poem The Hunting of the Snark.. »

Mathematical Puzzle Tales
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Science
Good, Bad And Bogus »

Calculus Made Easy
Being A Very-Simplest Introduction To Those Beautiful Methods Of Reckoning Which Are Generally Called By The Terrifying Names Of The Differential Calculus An... »

The No-Sided Professor
And Other Tales »

Penrose Tiles To Trapdoor Ciphers
And The Return Of Dr Matrix »

From The Wandering Jew To William F.Buckley Jr
In ten essays and 19 book reviews (1969-2000), esteemed Skeptical Inquirer and Scientific American Mathematical Games columnist debunks superstition of all t... »