Yosemite: Harrowing Ascent of Half Dome is the third book in the exciting Adventures with the Parkers series for kids. In each book the intrepid family of four, twins James and Morgan and their mom and dad, explore a popular national park, facing injuries, the elements, and run-ins with wildlife along the way. Adventures with the Parkers combines great adventure stories with interesting facts about nature, outdoor safety, travel, and much more. Summer vacation has never been this fun!