Dennis Fertig Books

Sylvia Earle

By Dennis Fertig

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Chimpanzee Protector

By Robin S. Doak, Dennis Fertig, Lori Elizabeth Hile

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Teamwork saves the day

By Dennis Fertig

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Elmwood School band has been selected to play in New York on Memorial Day. Read how students, parents and community get together and send their band to New York.

Mark Zuckerberg

By Dennis Fertig

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Richard Branson

By Dennis Fertig

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Rupert Murdoch

By Dennis Fertig

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Mark Zuckerberg

By Dennis Fertig

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Richard Branson

By Dennis Fertig

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Rupert Murdoch

By Dennis Fertig

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Titans of Business

By Richard Spilsbury, Dennis Fertig, Nick Hunter

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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.