Lost Slayer/Gatekeeper Trilogy

Prophecies (The Lost Slayer, Part 1)
by Christopher Golden
July 2001
Dark Times (The Lost Slayer, Part 2)
by Christopher Golden
August 2001
King of the Dead (The Lost Slayer, Part 3)
by Christopher Golden
October 2001
Original Sins (The Lost Slayer, Part 4)
by Christopher Golden
November 2001
Out of the Madhouse (Buffy the Vampire Slayer, the Gatekeeper Trilogy 1)
by Christopher Golden & Nancy Holder
January 1999
Ghost Roads (Buffy the Vampire Slayer, the Gatekeeper Trilogy 2)
by Christopher Golden & Nancy Holder
March 1999