Warren G. Harris Books

Audrey Hepburn

By Warren G. Harris

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Lucy Desi

By Warren G. Harris

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Clark Gable

By Warren G. Harris

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Suo fei ya . luo lan

By Yang Rong Xin, Ha Li Si

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Suo fei yaLuo lan shi ben shi ji zui mei li, Zui ju you tian cai de chao ji ying xing, Qi ren sheng ben shen jiu shi yi bu chuan qi. Shu zhong xiang jin pi lu le ta he zhu ming zhi pian ren pang di...

CAry Grant

By Jorge Argentina Bertevoro, Andrew Harris

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Gable and Lombard

By Warren G. Harris

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The Other Marilyn

By Warren G. Harris

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Audrey Hepburn

By Nadia May Aka Wanda McCaddon, Warren G. Harris

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Sophia Loren

By Warren G. Harris

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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.