Changfen Chen Books

The Great Wall of China: Photographs by Chen Changfen

By Changfen Chen, Anne Wilkes Tucker

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The Great Wall

By Gu Bei Kou Jin Shanling Si Matai

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Ben she ying ji shou lu le yi "Gu bei kou" , "Jin shan ling" , "Sima tai" wei bei jing de she ying zuo pin, qi zhong bao kuo "Yun piao wu rao" , "Jin shan ling chen wu" , "Wu mi man" deng 80 duo fu.

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.