When her dying aunt gives her a magical pocket watch, twelve-year-old Rosemary, as she begins to dream, enters a fantastical place where each hour of the watch takes her to a different world--until the class bully steals the watch, and Rosemary must gather the magic from all twelve worlds to rescue a boy she does not even like.

First Simon and Schuster Books for Young Readers paperback edition November 2022.