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Riddles – Lost Landmarks – Hidden Clues – Real Locations

The scavenger hunt continues in book two of the bestselling National Park Mystery Series.
After camping in Rocky Mountain National Park, Jake and his friends travel to the Great Sand Dunes in southern Colorado. Exploring the heart of the dunes, they stumble upon something both unexpected and dangerous. Through more twists and turns, Jake’s friendships and integrity are tested by choices that will demand smarts and courage.

The National Park Mystery Series
Before Jake’s grandfather died, he was on the trail of a centuries-old mystery. And he has entrusted that mystery to Jake, leaving behind a set of hidden codes, riddles, maps, and other clues that lead Jake and his friends on a scavenger hunt into the most wild and rugged wilderness of the national parks.

The mystery unfolds as Jake, Amber, and Wes learn about survival skills, natural history, integrity, character, and friendship.
Along the way, they discover they are not the only ones on this quest. An elusive shadow group is close on their heels.
Illustrated by the author, this page-turning adventure is designed to capture the imagination of even the most reluctant of young readers. Parents looking for a delightful read-aloud adventure will find it hard to put down. (Word of Caution: readers frequently note that this is a “Please read just one more chapter” experience).

If your family loves the enchanted lands of our national parks, this series will take you to hidden places and into breathtaking landscapes. If you enjoy movies like National Treasure and Uncharted, or mystery adventures like the Hardy Boys and Gary Paulsen’s survival story, Hatchet, you’ll love this second installment of the National Park Mystery Series. Start this epic adventure on your Kindle app, or begin the journey with a paperback copy.

From the Publisher

Natonal Park Mystery Series Logo, background of sand dunes and mountains.

Map of Great Sand Dunes National Park

Over 30 illustrations by the author

Medano Lake deep in the Sangre De Cristo Mountans of Colorado

Follow Along with the Maps!

“I’m 13, and I love these books so much! Some of the problems are ones I can relate to, and I just can’t put these books down!”

– Liv, Student, 13

A Read-Aloud Adventure for the Entire Family

“Reading with my third-grade class, and they never want to stop listening. Their imagination is captivated, and it makes them crave adventure!”

– Sarah Gross, Educator

History Meets Mystery in the Wilderness

“I love how the characters have to do all these adventures and solve mysteries, and I like to try to solve them before they do. My favorite part of the books is EVERYTHING!”

– Patrick, Student, age 9

Publisher ‏ : ‎ Aaron Johnson (September 29, 2022)
Language ‏ : ‎ English
Paperback ‏ : ‎ 268 pages
ISBN-10 ‏ : ‎ 0989711676
ISBN-13 ‏ : ‎ 978-0989711678
Reading age ‏ : ‎ 9 – 11 years, from customers
Item Weight ‏ : ‎ 10.7 ounces
Dimensions ‏ : ‎ 5.25 x 0.67 x 8 inches

Customers say

Customers find the writing style well-written and fascinating. They also appreciate the exciting adventure, suspenseful cliffhangers, and foreshadowing flashbacks. Readers also appreciate that real information is presented in the back. They describe the national parks as a wonderful setting for the mysterious goings on. Customers also say the kids are good but not perfect.

AI-generated from the text of customer reviews