'My dear, sweet child. Go ahead. Don't be afraid.' When eleven-year-old Shelly Anderson finds a mysterious nautilus shell at her family's aquarium and meets The Little Mermaid's infamous sinister sea witch, Ursula, she agrees to help the witch in exchange for becoming the fastest swimmer on her school's swim team. But after Shelly's wish quickly goes bellyup, she must figure out how to back out of the witch's deal before it forever binds her fate. This chilling new middle-grade chapter book series explores villains, monsters and creepy creatures, objects and environments from Disney tales old and new.