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 about various types of projectors. The book "Young Projectionist" was first published in 1954, then it was published in 1958 in a significantly supplemented and revised form. The third, newly revised and supplemented edition takes into account the comments and wishes expressed by readers. It includes information about the most recent and improved film installations, which will be very useful to get acquainted with the future projectionist. For an eight-year school.