Doomsday Deck (Buffy the Vampire Slayer (Pocket Paperback Numbered))

The gang have been preparing for the Sunnydale Sidewalk Art and Craft Festival. It sees the arrival of Justine, who specialises in Tarot paintings and Buffy has a nagging suspicion that Justine is not all she seems. Then one by one, the gang start to surrender their free will to some unseen force.