Roger Tomlinson Books

Boxing Clever

By Roger Tomlinson

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Thinking About GIS

By Roger Tomlinson

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A planning guide for GIS explains how to consider the strategic purpose of an organization to ensure that the GIS will work toward serving some useful and important purpose, with information on act...

Thinking About GIS

By Roger Tomlinson

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Data protection

By Roger Tomlinson

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A Practical Guide To Developing And Managing Websites

By Roger Tomlinson, Vicki Allpress

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Thinking about GIS

By Roger Tomlinson

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Thinking about GIS

By Roger Tomlinson, Roger F. Tomlinson

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Thinking about GIS

By Roger Tomlinson

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Thinking about GIS

By Roger Tomlinson

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Full House A manual for ticketing and marketing professionals

By Roger Tomlinson, Tim Roberts

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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.