When Raffa makes a cure from a rare crimson vine he finds deep in the forbidden forest, the bat he saves transforms into. something much more.
| ISBN: | 9780062327383 |
| Publication date: | 1st March 2016 |
| Author: | Linda Sue Park |
| Illustrator: | Jim Madsen |
| Publisher: | Harper, an imprint of HarperCollinsPublishers |
| Format: | Hardback |
| Pagination: | 343 pages |
| Series: | Wing & Claw |
| Genres: |
Science Fiction |