Clara Vulliamy Books

The sky’s the limit in the third Digby O’Day adventure from the talented mother-daughter pair of author Shirley Hughes and illustrator Clara Vulliamy.Digby O’Day and his best frie...

White Christmas

By Clara Vulliamy

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White Christmas

By Clara Vulliamy

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In this first story, the Lucky Wish Mouse and her ten tiny charges are getting ready for Christmas but the Christmas tree is bare and the money pot is empty. 'We'll think of something, ' says the e...

Best friends

By Clara Vulliamy

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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.