The book number is a series of numbers and bar codes on the back cover of a book. We can see any published book when we open the back cover.

For example: ISBN 978-7-80175-172-0.

ISBN is followed by the book number.

ISBN (International Standard Book Number), translated into ISBN.

As you can know from the book number, this book was published by China Chang 'an Publishing House in 2004, and compiled by Zhi Yan.