Sonya Hartnett Books

Thursday s Child

By Sonya Hartnett

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New Longman Literature Free Pack 2004

By Sonya Hartnett, Carl Hiaasen, Gibbons Alan, David Klass, Catherine Forde

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The children of the King

By Sonya Hartnett

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It's the Second World War and, with London becoming an increasingly dangerous place to live, the Lockwood children are whisked away to Heron Hall, to stay with their Uncle Peregrine in the countrys...

Children of the King

By Sonya Hartnett

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The children of the King

By Sonya Hartnett

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Children of the King

By Sonya Hartnett

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Butterfly

By Sonya Hartnett

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Sadie and Ratz

By Sonya Hartnett

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Silver Donkey

By Sonya Hartnett

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Midnight Zoo

By Sonya Hartnett

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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.