Draconomicon (3.5e)

The Book of Dragons
This title takes a comprehensive look at the dragons of the D&D world from a variety of perspectives. It includes information on playing dragons and dragon-like creatures, how to run a dragon in a fight, and how to both fight dragons and work with them as allies.
There are statistics on dragons of every type and at every age category, in addition to examples of lairs, hoards, and dragon minions. There are new rules, feats, spells, prestige classes, magic items, and other materials associated specifically with interaction with dragons including illustrated lairs and rules for creating treasure hoards. The book itself is designed in a prestige format, with heavy use of art throughout and constructed of premium materials.