"A boy must rescue his sister after she finds - and wants to stay - in an almost-world beneath her bed, where their mother is still alive"--
- ISBN10 0062380125
- ISBN13 9780062380128
- Publish Date 23 February 2016
- Publish Status Active
- Publish Country US
- Publisher HarperCollins Publishers
- Imprint Collins
- Format eBook
- Pages 304
- Language English