Katy Birchall Books

The Secret Bridesmaid

By Katy Birchall

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The Secret Bridesmaid

By Katy Birchall

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The it girl

By Katy Birchall

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Everybody wants to be a famous It Girl. Don't they? Anna Huntley's aims in life: Must keep my two lovely new (and only) school friends by not doing anything in usual manner of socially inept dork a...

Team awkward

By Katy Birchall

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The It Girl

By Katy Birchall

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298 pages ; 20 cm

The It Girl

By Katy Birchall

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The It Girl in Rome

By Katy Birchall

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The It Girl in Rome

By Katy Birchall

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Lightning Girl

By James Lancett And Steve Simpson, Katy Birchall, Alesha Dixon

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Find the girl tome 1 Vraies jumelles fausses amies

By Katy Birchall, Noemie Saint Gal, Lydia Connell, Lucy Connell

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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.