The Witching Hour (Secrets of Camp Whatever #3)

After former camp leader Clarence P'sketty Tooter is freed from a hypnosis spell, he remembers everything, including that pesky pre-teen Willow and her scrappy friends. But most importantly, he remembers the ancient mystery surrounding Nowhere's sleep-away camp. Now, Tooter seeks revenge against Willow and her friends, and inadvertently awakens a long-dormant evil which seeks to destroy the world in the epic conclusion to the Secrets of Camp Whatever trilogy.