David Gentleman Books

Art Work

By David Gentleman

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Selected Poems and Prose of John Clare

By John Clare

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Fenella in Spain.

By David Gentleman

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Fenella in the South of France.

By David Gentleman

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Design in Miniature

By David Gentleman

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The author writes about all sorts of small ephemeral items including postage stamps, match box covers , labels, trade cards and watch papers but he omits bookplates. A study of the designing of sma...

David Gentleman's Britain

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David Gentleman's London

By David Gentleman

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David Gentleman's Britain

By David Gentleman

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David Gentleman's London

By David Gentleman

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Westminster Abbey

By David Gentleman, Edward Carpenter

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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.