This text gives a complete and comprehensive treatment of the physics of the stellar interior and the underlying fundamental processes and parameters. The models developed to explain the stability, dynamics and evolution of the stars are presented, and great care is taken to detail the various stages in a star's life. The authors have written a unique text based on their own pioneering work in stellar modeling. Since its publication, this textbook has come to be considered a classic by readers and teachers in astrophysics. This study edition is meant for students in astronomy and physics alike.