Buffy the Vampire Slayer (1998-2018) is a 39-book series with 39 released primary works first released in 1999 with contributions by Andi Watson, Jen Van Meter, Doug Petrie, Christopher Golden, James Marsters, Jamie S. Rich, Chynna Clugston Flores, Tom Fassbender, Jim Pascoe, Chris Boal and 15 others.