A Spectator's Guide to Water Polo by Peter W. Pappas, Ph.D. is an excellent read, especially for parents, who may find themselves trying to figure out just what is going on in the pool
As the national governing body for water polo in America, USA Water Polo enforces FINA Water Polo Standards/Rules in its competitions. These rules may be downloaded or printed in handbook format by clicking here.
From beginners to expert water polo players, Water Polo Planet is an excellent resource for techniques, news, perspectives, discussions and more. In particular, here are a few items from Water Polo Planet Coach Bell suggests: