Johnson Randy Books

How to save thousands of dollars on your home mortgage

By Johnson Randy

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Hiking North Carolina

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Hiking the Blue Ridge Parkway

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"There has never been a better time to explore the Blue Ridge Parkway! This updated edition of Hiking the Blue Ridge Parkway is ideal for anyone who uses the Parkway as a portal to the Southern App...

Best easy day hikes

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The hiker's guide to Virginia

By Johnson Randy

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Hiking North Carolina

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Best easy day hikes Great Smoky Mountains National Park

By Johnson Randy

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Hiking the Blue Ridge Parkway

By Johnson Randy

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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.