Kjartan Poskitt Books

The Mean and Vulgar Bits

By Daniel Postgate, Kjartan Poskitt

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Savage shapes

By Kjartan Poskitt

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Using a host of hilarious characters, Kjartan Poskitt presents all the tricks, tips and shortcuts to shapes they don't teach at school. Readers will find out how to command respect throughout the e...

Fiendish Angletron

By Kjartan Poskitt, Philip Reeve

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Harry Houdini the First Names Series

By Kjartan Poskitt, Geraint Ford

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Runaway Pea

By Alex Willmore, Kjartan Poskitt

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Runaway Pea 2

By Alex Willmore, Kjartan Poskitt

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Runaway Pea Washed Away

By Alex Willmore, Kjartan Poskitt

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Runaway Pea Left Behind

By Alex Willmore, Kjartan Poskitt

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Runaway Pea Left Behind

By Alex Willmore, Kjartan Poskitt

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Runaway Pea

By Alex Willmore, Kjartan Poskitt

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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.