Title: Harrowing ascent of Half Dome
Description: Twin brother and sister, James and Morgan, embark on another adventure with their parents to explore the history, unusual geology, famous sites, plants, and animals of Yosemite National Park. Sidebar notes contain additional facts about the area and describe the park's regulations and tourist facilities.
Subjects: National parks and reserves, Fiction, Family life, Hiking, Vacations
Places: Yosemite National Park (Calif.)