Katherine E. Chaddock Books

Flings Frolics And Forever Afters

By Katherine E. Chaddock, Emilie Chaddock Egan

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College of Charleston Voices

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The multi talented Mr. Erskine

By Katherine E. Chaddock

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"At the pinnacle of his multi-faceted career, John Erskine (1879-1951) was one of the best recognized personalities on the American cultural, academic and entertainment scenes. His popular novels a...

Multi Talented Mr. Erskine

By K. Chaddock

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Multi Talented MR. Erskine

By Katherine Elise Chaddock

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Vital signs in Charleston

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College of Charleston Voices

By Carolyn B. Matalene, Katherine E. Chaddock

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Vital Signs in Charleston

By Carolyn B. Matalene, Katherine E. Chaddock

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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.