Guo Qingwang Books

Gong gong jing ji xue

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Ben shu gong fen 14 zhang,Ke gui wei wu da bu fen:di yi bu fen zhu yao cheng qing zheng fu zai shi chang jing ji zhong de zuo yong,He xin wen ti shi shi chang jing ji tiao jian xia de cai zheng zhi...

Structural Reform in China s Regional Governments

By Guo Qingwang, Enrich Professional Publishing Staff, Jia Junxue

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.