Valerie Mendes Books

Tomasina's first dance

By Valerie Mendes

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Look at me, Grandma !

By Valerie Mendes

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A visit from his grandmother and dreams of a great-uncle he never knew help prepare Jamie for his role as big brother to the new baby who is about to arrive from the hospital.

20th Century Fashion

By Valerie D. Mendes, Amy De La Haye, Valerie Mendes

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Coming of Age

By Valerie Mendes

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Coming of Age

By Valerie Mendes

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Lost and Found

By Valerie Mendes

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Counting Colours and Shapes Ladybird English

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Everyday English Ladybird English

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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.