Graham Gardner Books

Santa Beacon

By Nancy LeBlanc, Graham Gardner

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What happened to the tooth fairy

By Graham Gardner

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Finn Finds Fun

By Nancy LeBlanc, Graham Gardner

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The Cromwell Street Murders: The Detective's Story

By John Bennett, Graham Gardner

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Inventing Elliot

By Graham Gardner

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Elliot's life has been spinning out of control. He would give anything to get back to normal. Now, at his new school, he has a chance to reinvent himself. He will make himself so cook, so out of...

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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.