The presented book is written in an interesting style with well organized subject matter. Its language is very simple, understandable and refined. In this, proper light has been thrown on all the basic topics related to education technology. To make the subject matter concise and interesting, it has included as many tables, pictures and examples as possible. This book is for D.Ed., B.A. Ed., M.Ed., M.A. (Education) is extremely useful. In addition, it is useful for teachers, researchers and schools and colleges.