Di Geng Si Books

Wu du gu er
Wu du gu er

By Di Geng Si, Yu Han Sen

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Shuang cheng ji
Shuang cheng ji

By Di Geng Si

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Sha shi bi ya di geng si ming zhu gu shi
Shuang cheng ji
Shuang cheng ji

By Di Geng Si

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Wu du gu er
Wu du gu er

By Di Geng Si, Qi Chi

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Ying guo ming jia tong hua
Da wei . kao bo fei er
Da wei . kao bo fei er

By Di Geng Si, Li Peng En

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Ben shu hen da cheng du shang shi yi bu zuo zhe zi chuan,Jiang shu le zhu ren gong da wei zai jing li le yi xi lie ren sheng de jian nan kun ku zhi hou,Zui zhong cheng wei le yi ming zuo jia quan s...

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Pi ke wei ke wai zhuan
Wu du gu er
Wu du gu er

By Wang Jia Quan, Di Geng Si

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Pi ke wei ke wai zhuan
Pi ke wei ke wai zhuan

By Di Geng Si, Mo Ya Ping

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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.

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