Donald Nelson Books

COBOL 85 for programmers

By Donald Nelson

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Business Focused Quality Assurance Review Manual

By Roger Carolus, Donald Nelson

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Windows 7 100 most asked questions

By Donald Nelson

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Addresses the top 100 consultancy & education forum questions, with tips & success factors to evaluate, implement & harness Windows 7 Operating System, including key benefits, new features, system...

Science for Early Years and Key Stage 1

By Donald Nelson

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Science for Key Stage 2

By Donald Nelson

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Steps in science

By Donald Nelson

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Windows 7 100 most asked questions

By Donald Nelson

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Addresses the top 100 consultancy & education forum questions, with tips & success factors to evaluate, implement & harness Windows 7 Operating System, including key benefits, new features, system...

Kallitype Vandyke Brown and Argyrotype

By Donald Nelson

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Kallitype Vandyke Brown and Argyrotype

By Donald Nelson

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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.