David Ahearn Books

Spirited Human

By Keith Allen Kay, Buffy Naillon, Angie K. Millgate, David Ahearn, Morrighan Lynne

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Happy Accidents

By Frank Ford, David Wilk, David Ahearn

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Happy Accidents

By Frank Ford, David Wilk, David Ahearn

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Happy accidents

By David Ahearn

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Happy Accidents is your personal guide to transforming your life. As we take on task after task, responsibility after responsibility, we lose sight of who we are and why we're doing what we do; we...

Pura Vida

By Daniel David, Carson Ahearn, David Ahearn

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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.