A must-have for fans of this National Geographic "Mysteries In Our National Parks" series, this book also stands alone as a suspenseful survival story.
This series treats readers to the adventures of brother-sister sleuths: Jack and Ashley Landon. Traveling with their mother, Olivia, a wildlife biologist, and their father, Steven, a nature photographer, they visit magnificent National Parks where they always seem to stumble upon a puzzle that only they can solve. These adventures will keep kids on the edge of their seats while they learn about our country’s natural heritage and the role we all have in understanding and protecting it for the future. Learn More