In a chaotic future world where no one can expect to live past sixteen, four teens set out to find the "Old Guys" who may hold the key to their survival.
- ISBN10 1250139201
- ISBN13 9781250139207
- Publish Date 8 May 2018
- Publish Status Out of Print
- Out of Print 1 August 2022
- Imprint Feiwel & Friends
- Format Hardcover
- Pages 368
- Language English