Buffy the Vampire Slayer Classic — Dark Horse Comics
Issue: #24
It's that time of the month for Oz, but the wolf escapes from the library. Buffy eventually tracks down werewolf Oz, then uses him to track Willow. Willow has been kidnapped by Alan Duffy, a normal kid with a desperate taste for the supernatural.
Creators: Guy Major, Pat Brosseau, Tim Goodyear, Ryan Sook, Doug Petrie