David Clawson Books

My fairy godmother is a drag queen

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Wanting nothing more than to survive high school, Chris, the only stepchild in a social-climbing family, forges an unexpected romance with his stepsister's wealthy boyfriend before a new friend hel...

Access Code Card Coursecompass

By David Clawson

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My Fairy Godmother Is a Drag Queen

By David Clawson

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World Geography

By Merrill Johnson, David Clawson

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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.