John Goodall Books

Paddy Pork to the rescue

By John S. Goodall

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The Story of an English Village Picturemac

By John Goodall

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God's House at Ewelme

By John A. A. Goodall, English Heritage UK John Goodall

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"God's House, at Ewelme, is a survival from England's late medieval past: a well documented and preserved chantry foundation established in 1437 by William and Alice de la Pole, then Earl and Count...

Goodbye to Empire

By John Goodall

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The Olivers and a Tiger

By John Goodall

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Bodiam Castle East Sussex National Trust Guidebooks Ser.

By John Goodall

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Letters to the editor

By John Goodall, Mark Hedges, Sam Carter

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Readers of Country Life have always been eager to share their knowledge of all aspects of life in Britain. Selecting from hundreds of thousands of letters from the first 60 or so years of the magaz...

Pevensey Castle East Sussex

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Scarborough Castle

By English Heritage.

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Whitby Abbey

By John Goodall

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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.