Zheng Zhong Books

Marine Planktology

By Zheng Zhong, Chung Cheng

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Jiu jiu zan men de hai zi

By Zheng Zhong

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Ben shu li tu quan mian tou shi zai hai zi cheng zhang de guo cheng zhong suo cun zai de zhong zhong yin huan, Shen ru fen xi qi zheng jie suo zai, Bing shi tu ti chu jie jue de fang lüe.

Bo wu guan yu shou cang jia Dashanghai jishi wenxue congshu

By Zheng Zhong

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Gu Ri yu yu gu Han yu zhu ci bi jiao yan jiu ju yu

By Zheng Zhong

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Hai yang lin xia lei sheng wu xue

By Zheng Zhong

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Cong Ji yuan dao Zhuang mu tang

By Zheng Zhong

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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.