20 Years of Slaying: The Watcher's Guide

20 Years of Slaying: The Watcher's Guide was a hardcover book collecting previous volumes from the authorized reference series "The Watcher’s Guide": one, two, and three. Written by original author Christopher Golden, it also included updated content from the cast and crew from Buffy the Vampire Slayer TV series.

Synopsis
Just in time for the show’s twentieth anniversary, the Buffy the Vampire Slayer Watcher’s Guides have been compiled into one hardcover collector’s edition for the first time! Inside, you’ll find all the best content from Volumes 1–3 of the original Watcher’s Guides, as well as exclusive new content, including never-before-seen interviews with the cast and crew.