Penguin Group Books

The Second Ring of Power

By Carlos Castaneda

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If I Were You

By P. G. Wodehouse

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An Imperial Possession

By D. J. Mattingly, David Mattingly, David J. Mattingly, Penguin Group

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The definitive history of Roman Britain In the first major narative history of the subject in more than a generation, David Mattingly brings life in Britain during four hundred years of Roman domin...

Pretend You re a Cat

By Jean Little

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Penguin Epics: Beowulf

By Anonymous

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Penguin Pocket English Dictionary

By Robert Allen

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Lock and Key

By Sarah Dessen

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From the award-winning and New York Times bestseller Once and for AllUnlock your heart and the rest will follow. Ruby is used to taking care of herself. But now that she’s living with her sister, s...

Lock and Key

By Sarah Dessen

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Star Wars Sticker Collection Pack RRP

By Penguin Group

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Point of Origin

By Patricia Cornwell

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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.