Robert Goodman Books

How Electronic Things Work. . .And What to Do When They Don't

By Robert L. Goodman

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How Electronic Things Work... And What To Do When They Don'T

By Robert Goodman, Robert L. Goodman

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ELECTRONIC EQUIPMENT “ON THE BLINK”? DON’T JUNK IT OR PAY SKY-HIGH REPAIR COSTS — FIX IT YOURSELF! Here’s a guide to understanding and repairing electronics equipment written for people who would o...

After the planners

By Goodman Robert

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Myths

By Robert Goodman

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Independently Wealthy

By Robert Goodman

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Child psychiatry

By Goodman Robert MRCPsych.

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After the planners.

By Goodman Robert

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After the Planners

By Goodman Robert, Robert Goodman

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The last entrepreneurs

By Goodman Robert, Robert Goodman

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Servicing Zenith TV modules

By Robert L. Goodman

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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.