Siobhan Parkinson Books

Blue Like Friday

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To Hal, Fridays are blue, and tangy, like blue lemon sherbert. Olivia thinks he's crazy - Friday is just like Friday, isn't it? Olivia is pretty sure that Hal's mysterious plan to get rid of his no...

Kathleen

By Siobhan Parkinson

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Four Kids Three Cats Two Cows One Witch Maybe

By Siobhan Parkinson

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Kathleen

By Siobhan Parkinson

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Cows Are Vegetarians

By Siobhan Parkinson

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Leprechaun Who Wished He Wasn t

By Siobhan Parkinson

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Sisters...No Way

By Siobhan Parkinson

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All Shining in The Spring

By Siobhan Parkinson

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No Peace for Amelia

By Siobhan Parkinson

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All Shining in the Spring

By Siobhan Parkinson

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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.