David Gates Books

The Spanish ulcer

By Gates David, David Gates

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Put It in Writing: Composition and Grammar

By Joanne Buckley

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Put It in Writing

By David Gates, Joanne Lorna Buckley, Joanne Buckley

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The Napoleonic wars, 1803-1815

By Gates David, David Gates

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A hand reached down to guide me

By Gates David

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A Hand Reached Down to Guide Me is populated by characters, young or old or neither, who are well educated, broadly knowledgeable, often creative and variously accomplished, whether as a doctor or...

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.