Janet Sumner Johnson Books

Open for Business

By Janet Sumner Johnson

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Final Word

By Janet Sumner Johnson

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The Recess Genius 1: Open for Business

By By Janet Sumner Johnson Illustrated By Stacy Ebert

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Introducing the playground problem solver who uses quick thinking, practicality, tenacity, love of reading, and a little creative perspective to help her schoolmates out of their stickiest jams; Fr...

The Winterton Deception 1: Final Word

By Janet Sumner Johnson

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In this twisty middle grade mystery for fans of Knives Out, The Inheritance Game, and The Westing Game, thirteen-year-old twins Hope and Gordon enter a spelling bee in a last-ditch effort to save t...

The Winterton Deception 2: Fault Lines

By Janet Sumner Johnson

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A kidnapping, a clue hunt, lots of family tension, and a literary find for the ages weave together in the thrilling second book of the Winterton Deception. Perfect for fans of Knives Out, The Inher...

The Winterton Deception 2: Fault Lines

By Janet Sumner Johnson

Average: 0.00, 0 Ratings

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.