Thomas W. Phelan Books

Surviving your adolescents

By Thomas W. Phelan

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All About Attention Deficit Disorder Symptoms Diagnosis Treatment

By Thomas W. Phelan

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1 2 3 Magic

By Thomas W. Phelan

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1 2 3 Magic

By Thomas W. Phelan

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It's not easy being a parent--and when children are acting like little monsters it would be helpful to handle their disrespectful outbursts in a reasonable, unemotional manner. 1-2-3 Magic addresse...

1 2 3 magic

By Thomas W. Phelan

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"Being a parent is one of the most rewarding experiences in life, but every family faces challenges that can be frustrating and overwhelming. For more than twenty-five years, internationally renown...

All about ADHD

By Thomas W. Phelan

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By the author of the bestselling parent book 1-2-3 Magic For the estimated 20 million Americans with Attention Deficit Hyperactivity Disorder comes the third edition of All About ADHD by Dr. Thomas...

Self-esteem revolutions in children

By Thomas W. Phelan

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1 2 3 Magia

By Thomas W. Phelan

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All About Attention Deficit Disorder

By Thomas W. Phelan

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Surviving Your Adolescents

By Thomas W. Phelan

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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.