Book excerpt: Super-Speed Rail (SSR) system is the fifth mode of transportation after ships, trains, automobiles and aircrafts, featuring characteristics of ultra-high-speed (1000-2000 km/h), high safety, low energy consumption, low noise, no vibration, no pollution and so on.This unique compendium analyzes its operation principle, system architecture and attribute characteristics, discusses its feasibility, and discusses the global integration issues in the SSR environment.The useful reference text highlights terminologies and principles of SSR. It's a comprehensive analysis of the past, present and future of SSR from the system engineering point of view. Thereby, the novel book plays a leading role in the development of SSR worldwide.