"Hetch Hetchy" by Ray W. Taylor provides a comprehensive account of one of the most significant engineering and environmental milestones in California history: the development of the Hetch Hetchy water system. This work chronicles the ambitious project to secure a reliable water source for the growing city of San Francisco by damming the Tuolumne River within Yosemite National Park. Through a detailed narrative, the book explores the technical challenges, political battles, and the profound environmental debate that captivated the nation during the early 20th century.