Recommended reading, and other fun stuff...

The CMG's Reaction-Diffusion simulator, as discussed in the 2011 Edition

Cornsnake Forums (message boards)
http://cccorns.com/forums/

American Cornsnake Registry
http://herpregistry.com/acr/

Breeding outcome predictors/calculators:
Mick’s progeny predictor:
MP Corn Genetics Wizard:
http://www.marcelpoots.com/CornWiz/GenWiz.htm
Genetics Calculator at kornnatterlexicon.de:
Online Genetics Calculator

The Corn Snake Manual by Bill and Kathy Love, and
Corn Snakes The Comprehensive Owner's Guide:
http://cornutopia.com

Corn Snakes In Captivity by Don Soderberg:
http://cornsnake.NET

A Color Guide to Corn Snakes by Michael McEachern. Link goes to Amazon.com, it may also be available elsewhere.

Breeder sites with lots of pics and descriptions of morphs:
http://cccorns.com
http://cornsnake.net
http://cornutopia.com
http://www.vmsherp.com
http://corns.nl
http://iansvivarium.com/cornmorphs.php
http://fohn.net/corn-snake-pictures-facts/