Once Bitten: An Unofficial Guide to the World of Angel was a reference publication relating to Angel the Series. The world of the television series Angel is celebrated and discussed in this companion guide to the intelligent, thought-provoking spin-off of cult favorite Buffy the Vampire Slayer.An episode guide and history of the characters, including the title character, Angel, who turned into a vampire in 1753 and runs a private investigation agency in modern Los Angeles, provide perspective on the series' run. Trivia, interesting facts, continuity errors, and information on fan-run web sites and parties make this an essential book for die-hard aficionados of both Angel and Buffy.