David Lumsdon Books

My Little Pony

By Shiei, David Lumsdon

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Coral's Reef Vol. 1

By David Lumsdon Illustrated By Shiei

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A full-color fantasy manga/graphic novel series about the fun daily life of a teenage sea sprite! An all-new tale for kids and adults from the creative team behind My Little Pony: The Manga (also f...

My Little Pony

By Shiei, David Lumsdon

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Menage a 3 Volume 1

By Gisele Lagace, David Lumsdon

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Menage a 3 Volume 2

By Gisele Lagace, David Lumsdon

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Menage a 3 Volume 4

By Gisele Lagace, David Lumsdon

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Sandra on the Rocks Volume 1

By David Lumsdon, Eisu

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Sandra on the Rocks Volume 2

By David Lumsdon, Eisu

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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.