This book investigates the fundamental principles of acting and the psychological mechanisms required to achieve authentic performance in the modern era. Robert Cohen, a veteran educator and director, synthesizes decades of pedagogical experience to provide a comprehensive framework for actors. He argues that acting is not merely the imitation of life, but the active pursuit of specific objectives through logical, character-driven choices. The text serves as a technical manual for navigating the demands of both stage and screen performance.

This work is widely regarded as a foundational text in university-level acting programs due to its clear, systematic approach to the craft. Practitioners frequently note that the prose remains accessible while providing enough technical depth to serve as a long-term reference for professional actors.