This is one of the most famous and sought-after works of the great Russian director, famous actor, teacher and theater figure K. S. Stanislavsky “The work of an actor on himself. A student's diary.This work has been a reference book for any actor and director for many decades. It is rightly called one of the most famous "textbooks" on acting. This book consistently outlines the content of the system of K. S. Stanislavsky, which today underlies the practical training of actors and directors on a profiling course, the so-called "skill of the actor" or "skill of the director." The exercises and sketches from this book are used in acting and directing courses.“The work of an actor on himself” is, first of all, a work on the skill of an actor. In modern terms, this book is a classic acting training that provides knowledge, without which an actor who thinks about his art cannot consider himself a real actor.This book presents the first part of the work.