"The Voyagers land on a planet made entirely of water where they must find the third element of the Source that will save the Earth"--
- ISBN10 0385386648
- ISBN13 9780385386647
- Publish Date 5 January 2016
- Publish Status Out of Stock
- Out of Print 24 May 2021
- Publish Country US
- Imprint Random House Books for Young Readers
- Format Hardcover
- Pages 208
- Language English