Sam Johnson Books

Run Strong 10km

By Sam Johnson, Tom Hunt

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Basic Roleplaying: The Chaosium system

By Sam Johnson, Jason Durall

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Ultimate Guide to Greenhouse Gardening for Beginners

By Sam Johnson

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A Kids Book About Strength

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Learn how to grow the special strength within you!Did you know every person has a special strength within them? Read this book and begin finding your strength and helping it grow! Learn more about...

Kids Book About Strength, A

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Learn how to grow the special strength within you!Did you know every person has a special strength within them? Read this book and begin finding your strength and helping it grow! Learn more about...

First Love

By Ivan Turgenev, Sam Johnson, Isabel F. Hapgood

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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.