This book is for those who decided to learn how to show films and become a projectionist. It tells about the creation of the film and how to show it on the screen yourself. The book "Young Projectionist" was first published in 1954, then it was published in 1958 and in 1962 in a significantly supplemented and revised form. The fourth edition takes into account the comments and wishes expressed by readers. The book includes a short essay "From the History of Cinema," a description of the structure of the eye and some information about the properties of our vision. In addition, the book tells about the latest and improved film installations, which are useful to get acquainted with the future projectionist. For an eight-year school.