Inaccurate?

Libris Mortis: The Book of the Dead

Libris Mortis: The Book of the Dead Nightmares from Beyond the Grave
Hushed voices tell spine-chilling tales of encounters with the walking dead and other unliving horrors. No other creatures have evoked such fear and fascination as this dreadful menagerie of malevolent spirits and mindless shells.
This supplement for the D&D game presents a comprehensive overview of the undead. You'll uncover information for creating, customizing, and combating undead characters and monsters -- including strategies and tactics commonly employed by undead and those who hunt them. Libris Mortis: The Book of Undead also provides new rules, feats, spells, and prestige classes, along with a host of new monsters and monster templates.