Francesca Simon Books

Summer fun

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"Get ready for some super summer mayhem with this totally awesome collection of six favourite Horrid Henry stories. Join Henry for a scorching summer as he does what he does best - causes mischief!...

Horrid Henry The Complete Story Collection 24 Books Box Set Paperback Jan 01 2016 Francesca Simon and Tony Ross

By Tony Ross, Francesca Simon

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Horrid Henry Cheeky Collection 10 Books Box Set

By Francesca Simon

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Horrid Henrys Mischievous Mayhem Collection 10 Books Box Set

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Horrid Henry funny fact files

By Francesca Simon

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Horrid Henry Anual 2019

By Francesca Simon

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Where are you?

By Francesca Simon

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When Harry and his grandfather go to the grocery store, Harry races off to follow the wonderful smells and gets lost.

Horrid Henry and the soccer fiend

By Francesca Simon

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Four stories about Horrid Henry and his misadventures.

Horrid Henry Wakes the Dead

By Francesca Simon

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Donall dana

By Francesca Simon

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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.