QuarkNet Print Bibliography
Direct from the Scriptorum
Barnett, R. Michael, et al., The Charm of Strange Quarks: Mysteries and Revolutions of Particle Physics (paperback), Springer-Verlag New York, Inc., April 2000.

Gell-Mann, Murray, The Quark and the Jaguar: Adventures in the Simple and the Complex (paperback), W. H. Freeman Company, October 1995.

Greene, Brian, The Elegant Universe: Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory (paperback), Vintage Books, March 2000.

Kane, Gordon L., The Particle Garden: The Universe as Understood by Particle Physicists (paperback), Addison Wesley Longman, Inc., January 1996.

Lederman, Leon and David N. Schramm, From Quarks to Cosmos: Tools of Discovery (paperback), W. H. Freeman Company, November 1995.

Lederman, Leon with Dick Teresi, The God Particle: If the Universe is the Answer, What is the Question? (paperback), Dell Publishing Company, Inc., December 1993.

Schwarz, Cindy and Sheldon Glashow, A Tour of the Subatomic Zoo: A Guide to Particle Physics (paperback), AIP Press, January 1998.

For a somewhat more rigorous but still non-threatening approach, try:
Coughlan, G. D. , The Ideas of Particle Physics: An Introduction for Scientists (paperback), Cambridge University Press.

If you think you've got what it takes to wade through a graduate level text, also try:
Aitchison, Ian and Anthony Hey, Gauge Theories in Particle Physics (paperback) IOP Publishing Ltd, 1989.