The Landon family is Southboundheaded for Florida to investigate a mysterious illness plaguing endangered manatees in Everglades National Park. Jack, Ashley, and their friend Bridger soon find themselves in deadly waters with a seven-foot shark, an injured manateeand a mystery to solve. Who was the stranger in the speedboat who snatched Jack's camera? And what does he have to do with the manatees? Join the heart-stopping chase through a maze of mangrove islands to find out!From the Trade Paperback edition.

 

This book is part of a book series called Mysteries in Our National Park .

There are 160 pages in this book. This book was published 2017 by National Geographic Kids .

Gloria Skurzynski has written more than 30 children's books. Her nonfiction book, Almost the Real Thing, won the American Institute of Physics Science Writing Award. She has written several nonfiction books for National Geographic including Are We Alone, an NSTA Outstanding Science Trade Book for Young People and an IRA/CBC Young Adults' Choice for 2006. She lives in Boise, ID. Visit Gloria Skurzynski at her Web site: www. gloriabooks. com.