National Park Mystery Series: Adventure in Grand Canyon Presidential Seal Made in the USA with

Made in the USA with unfriendly soy-based inks on recycled boards

After World War II

made even better this time around

and the two set off in Dr

National Park Mystery Series: Adventure in Grand Canyon Presidential Seal Made in the USA withThis title appears in Mrs. Laura W. Bush's Summer Reading List for Kids 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,