This book is meant for all those doctors who want to gain an inside knowledge about how X-rays are interpreted. The book is written in simple medical language so that even medical students would be able to understand the principles of chest X-ray interpretation. The unique feature of this book is that almost all chest X-rays are accompanied by corresponding line diagrams, some in color, in order to make the salient findings easy to understand. This book contains over 100 chest X-rays and similar number of line diagrams. The book is lavishly studded with tables to enhance the knowledge of the reader.