Left stranded in the Amazon jungle when their plane crashes on their way back to England from Manaus, Brazil, four children struggle to survive for days until one of them finds a map that leads them to a ruined city and a secret hidden among the vines.
- ISBN: 9781481419451
- Published: 2017 , Simon & Schuster Books
- Themes: action and adventure, Amazon Rainforest, Friendship, Self-esteem, Survival
- Descriptors: England (UK), Intermediate (ages 9-14), Realistic Fiction
- No. of pages: 600