Portal Through Time

Portal Through Time is an original novel based on the U.S. television series Buffy.

A group of vampire-assassins are travelling into the past in an attempt to kill previous Slayers, and disrupt the lineage of Slayers. Buffy is forced to confront the vampires across history; she stumbles across time periods on her quest to stop them. During her travels she comes across a Druidic stronghold being invaded by Romans, an American Civil War Battlefield, Angelus during the French Revolution, and she fights off against unusual creatures from ancient Sumerian mythology.

Trivia

 * The author, Alice Henderson also wrote, "Night Terrors".
 * Characters in the novel include: Buffy, and Angelus