While visiting Hawkesbury, England, eleven-year-old Holly Shepard, her younger brother, Ben, and new friend Everett, travel to a parallel universe where she learns that the adventures she has always dreamed of can be messy and dangerous.
- ISBN10 1442457414
- ISBN13 9781442457416
- Publish Date 2 April 2013
- Publish Status Active
- Publish Country US
- Imprint Margaret K. McElderry Books
- Format Hardcover
- Pages 480
- Language English