Jenny Nimmo Books

Delilah Alone

By Georgian Overwater, Jenny Nimmo

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Esmerelda and the Children Next Door

By Jenny Nimmo, Paul Howard

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Charlie Bone and the Castle of Mirrors

By Jenny Nimmo

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Snow Spider Nimmo Jenny. Magician Trilogy Bk. 1.

By Jenny Nimmo

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Charlie Bone and the Red Knight

By Jenny Nimmo

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Charlie and the Children of the Red King must call upon all of their strength to defeat the darkness and finally learn the fate of Charlie's family, the evil intentions of the Bloors, what has beco...

The secret kingdom

By Jenny Nimmo

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Timoken and his sister, Zobayda, under the protection of a forest jinni but pursued by evil virideed, straddle the world of men and the world of enchantments, seeking a home while remaining young b...

The stones of Ravenglass

By Jenny Nimmo

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Timoken has been living in apparent safety at Castle Melyntha with his sister, Zobayda, but when he is betrayed and attacked, he is forced to flee into the forest with his magic camel and the wizar...

Chestnut Soldier The Magician Trilogy

By Jenny Nimmo

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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.