Bob Johnson Books

Complete Triathlon Training Manual

By Bob Johnson, Patricia Bragg, E. W. Bragg

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Testing Applications on the Web: Test Planning for Mobile and Internet-Based Systems

By Bob Johnson, Hung Quoc Nguyen, Michael Hackett, Hung Q. Nguyen

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What Curse

By Bobby Johnson

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Thirty eight Miles from the Nearest Road

By Bob Johnson

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Why You Like the Wines You Like

By Tim Hanni MW, Bob Johnson

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"Fossil fuels don't simply impact our ability to commute to and from work. They condition our sensory lives, our erotic experiences, and our aesthetics; they structure what we assume to be normal a...

San Jose's historic downtown

By Lauren Miranda Gilbert

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San Jose

By Bob Johnson

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Frontier Village

By Bob Johnson

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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.