The word electronics is mostly used in day to day life. It is the word which commonly used and rarely understood. This book is just a trial to make a common man familiar with electronics. It is written in such a way to avoid scientific definitions and formulae. It is useful to all whether you have a scientific background or not. If you have a desire to know the basic building blocks of electronics and ready to feel the scope and excitement of electronics, it is the right book for you. It is also very- very useful for all students who are going to opt electronics in their college life. It may be a good start for a pre university student.