Spirit Halloween - The Movie: The Novelization (Encyclopocalypse Movie Tie-In Series)

When three friends discover a Spirit Halloween store in an abandoned shopping center, they think they've found the perfect place for Halloween fun. However, their night takes a dark turn as they awaken an ancient evil beneath their town, setting off a chilling adventure. Now, they must unravel a centuries-old curse and confront the lurking monsters to save Halloween from supernatural terror.