8 books in series

Buffy the Vampire Slayer: Season 8

Buffy the Vampire Slayer: Season 8 is a 10-book series with 8 released primary works first released in 2007 with contributions by Joss Whedon, Brian K. Vaughan, Drew Goddard, Jeph Loeb, Jane Espenson, Brad Meltzer, and Scott Allie.

Buffy the Vampire Slayer: The Long Way Home
Buffy the Vampire Slayer: No Future for You
Buffy the Vampire Slayer: Wolves at the Gate
Buffy the Vampire Slayer: Time of Your Life
Willow: Goddesses and Monsters
Buffy the Vampire Slayer: Predators and Prey
Buffy the Vampire Slayer: Season 8, Vol. 6: Retreat
Buffy the Vampire Slayer: Season 8, Vol. 7: Twilight
Riley: Commitment Through Distance, Virtue Through Sin
Buffy the Vampire Slayer: Season 8, Vol. 8: Last Gleaming