Dear Diary,I'm in a very unusual place: the bottom of the Grand Canyon. But it feels like we are at the bottom of the world. .. The Parkers, an intrepid family of four, are back for another exciting adventure in Grand Canyon National Park: Tail of the Scorpion. Amid the magnificent beauty of the park, ten-year-old twins James and Morgan and their father brave a steep twenty-one-mile hike from rim to rim. As they face heatstroke, exhaustion, and even a run-in with scorpions, they wonder, "Can we make the grueling climb to the top?" Each book in the exciting Adventures with the Parkers series for kids 8–13 explores a popular national park and is packed with adventure as well as engaging and educational facts about nature, outdoor safety, and much more. Vacation has never been this fun! Books in the Adventures with the Parkers Series:Bryce Canyon and Zion National Parks: Danger in the NarrowsGlacier National Park: Going to the SunGrand Canyon National Park: Tail of the ScorpionGreat Smoky Mountains National Park: Ridge Runner RescueMount Rushmore, Badlands, Wind Cave: Going UndergroundOlympic National Park: Touch of the Tide Pool, Crack of the GlacierRocky Mountain National Park: Peril on Longs PeakYellowstone National Park: Eye of the GrizzlyYosemite National Park: Harrowing Ascent of Half Dome