This book introduces the Five-hundred-meter Aperture Spherical Radio
Telescope (FAST), also known as the "The Sky Eye", one of the China's
big science facilities. Using easy-to-understand language, the book
covers the scientific background, construction process, achievements,
and effects of FAST on the development of the national economy. With a
large number of intuitive and vivid images and videos, the book presents
basic information on FAST for general readers who are interested in
astronomy.