Jack cant believe what hes hearing. His sister is being held hostage. Whoever snatched Ashley must have been following the Landons as they explored Death Valley National Park. But what do they want with Leesa?When Jack discovers why Leesa is on the run, he is determined to protect her. But how can he do that and save Ashley, too? One thing he knows for sure, failure is not an option.National Geographic supports K-12 educators with ELA Common Core Resources.Visitwww.natgeoed.org/commoncorefor more information.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.