From the Back of the Book:
"What happens when a forest dies? Its treant swears vengeance. Learn about the dark side of treants: fury, hatred, revenge, and the charred, undead creatures left behind when a treant burns...
The Complete Guide to Treants is a stand-alone, world-neutral sourcebook covering everything you ever wanted to know about treants. It includes:
- Detailed background material on treants, including their various groves, the guild-like brances of the Vine of Tales, their cosmology, the deep treants of the underdark and more.
- Stats and background on the dark side of treants: shadowed treants, who resort to great evils to protect their trees; forsaken trees, driven insane by the loss of their forest; the blasted, treants killed with fire then animated to walk again as undead; and more.
- Full stats for treants as a character race, including four new prestige classes: Treeherd, Woodwarden, Firesworn and Leafsinger."