Mathematical Treks: From Surreal Numbers to Magic Circles. Washington, D.C.: Mathematical Association of America, 2002. Online Bibliography.

Fragments of Infinity: A Kaleidoscope of Math and Art. New York: Wiley, 2001. Online Bibliography.

The Jungles of Randomness: A Mathematical Safari. New York: Wiley, 1998.

The Mathematical Tourist: New and Updated Snapshots of Modern Mathematics. New York: W. H. Freeman, 1998. 

Fatal Defect: Chasing Killer Computer Bugs. New York: Times Books/Random House, 1995.

Newton's Clock: Chaos in the Solar System. New York: W. H. Freeman, 1993.

Islands of Truth: A Mathematical Mystery Cruise. New York: W. H. Freeman, 1990.

The Mathematical Tourist: Snapshots of Modern Mathematics. New York: W. H. Freeman, 1988. 

With Nancy Henderson

Math Trek 2: A Mathematical Space Odyssey. New York: Wiley, 2001. Online Bibliography.

Math Trek: Adventures in the MathZone. New York: Wiley, 1999. Online Bibliography.