All the characteristics of dark room techniques have been discussed in this book in three modules. The first module deals with basic film structure and quality, the equipment for processing x-ray image and functions of equipment used in film processing. The second module discusses about functions and fundamentals of a dark room, techniques and principles of film processing, fundamentals of x-ray films, fundamentals of film processing and film storage and handling. The third module discusses about factors affecting image quality, visibility of image, x-ray darkroom and accessories for darkroom. The chapters start with introduction, learning objectives and then switch over to the topic. The book also offers Check Your Progress wherein various questions have been given. Apart from it, at the end of each chapter, the students will find Summary, Keywords, Exercise, Answers to Check Your Progress and Further Readings. It is an indispensable book for the students of this subject.