
From a three-time Newbery Honoree. Ellie's scientist grandfather has discovered a way to reverse aging, and consequently has turned into a teenagerNwhich makes for complicated relationships when he moves in with Ellie and her mother, his daughter.
- Pages
- 195
- Published
- 2014
- Publisher
- Random House Books for Young Readers
- Language
- English
- ISBN
- 9780375870644
