Past Lives is a chronicle and sourcebook for Werewolf: The Apocalypse. The main portion of the book consists of Tide and Time, a time-traveling chronicle that touches on the final days of the three lost tribes of Garou: White Howlers, Croatan, and Bunyip. The book also includes expanded information on ancestor-spirits, and details the Gifts not only of the lost tribes but also of the three lost fera: Apis, Camazotz and Grondr.