First published in 1973, "Gravitation" is a groundbreaking university-level textbook that presents Einstein's general theory of relativity and offers a rigorous one-year course on the physics of gravitation. Upon its release, Science referred to it as an educational masterpiece. With a focus on geometric interpretation, this masterful and comprehensive book introduces the theory of relativity, describes physical applications from stars to black holes and gravitational waves, and highlights the boundaries of the field. The book also provides a unique alternating dual-track approach throughout the subject.