Clara Vulliamy Books

Bear with Sticky Paws and the New Baby

By Clara Vulliamy

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The bear with sticky paws won't go to bed

By Clara Vulliamy

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Lily is wide awake and doesn't want to go to sleep. "I won't lie down, I won't shut my eyes, I want to play NOW," she says. Then ding-dong! Lily's friend, the bear with sticky paws, arrives and he...

Bear with Sticky Paws Suitcase

By Clara Vulliamy

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Lucky Wish Mouse

By Clara Vulliamy

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All Aboard the School Balloon

By Clara Vulliamy

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Best Friends

By Clara Vulliamy

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Lucky wish mouse

By Clara Vulliamy

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Muffin And The Birthday Surprise

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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.