While visiting the Everglades National Park with their parents, the Landon children uncover the mystery of dying manatees and learn important lessons about the natural environment.
- ISBN10 1417773286
- ISBN13 9781417773282
- Publish Date 9 October 2007 (first published 1 October 1999)
- Publish Status Out of Print
- Out of Print 7 April 2021
- Imprint Turtleback Books
- Edition Turtleback School & Library ed.
- Format Hardcover (Library Binding)
- Pages 157
- Language English