David Bowman Books

Concise Guide to Technical and Academic Writing

By David Bowman

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What would the Founding Fathers say

By David Bowman

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AQA Level 3 Certificate in Mathematical Studies

By David Bowman, Steve Lomax, Heather Davis, Andrew Manning, Dave Gale

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Dude don t be a Lemuel

By David Bowman

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A humorous look at the Book of Mormon characters Laman and Lemuel.

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.