Slayer, Interrupted
Manga
While many comic books based on the Buffy the Vampire Slayer television series were published while the show aired, they are not all considered canonical. Some feature characters who do not appear in the television series, such as the Tales of the Slayers and Tales of the Vampires miniseries. The first series of books were published by Dark Horse Comics between 1998 and 2004, initially in comic format and later collected into volumes of trade paperbacks. A small number of Buffy comics were not included in trade paperbacks, such as the titles Giles, Jonathan, and Reunion. Following the television series finale, Dark Horse began releasing new books titled Season Eight, Season Nine, and Season Ten, along with various spin-offs, written and/or supervised by creator Joss Whedon. These books were officially recognized as canon.
Description from Wikipedia, available under CC BY-SA 4.0. May be shortened.