Peter Warner Books

The Book Of The Cat

By Michael Wright, Peter Warner, Sally Walters

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Sea Birds Fact Finders

By Peter Warner, Joe Firmin

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Greens, commons, and clayland colonization

By Warner Peter

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Suffolk, the county of the Sutton Hoo treasures and the core of the Anglo-Saxon kingdom of East Anglia, has a particularly resonant ancient and medieval past. This copiously illustrated book covers...

Sea Birds Sylfeini

By Joe Firmin, Peter Warner

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Bloody Marsh

By Peter Warner

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The mole

By Warner Peter

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"The fictitious memoir of an unlikely foreign spy planted in Washington, D.C., in the years after World War II Recruited by a foreign power in postwar Paris and sent to Washington, Winston Bates is...

The Mole

By Peter Warner

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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.