It is vest book to inductory electronics.
This book is easy to understand and fun to read, not difficult.
If you read introductoion book for DC/AC circuits before read this book,you will comprehend this book more and more easily.
When I first read this book,I regretted not reading before. As a student in electronics,I have no problems in reading and understanding any other book after finished this book.It was helpful to me for having confidence for future .It will be a conerstone to understand electronics.