David Crystal Books

A vital resource for scholars, students and actors, this book contains glosses and quotes for over 14,000 words that could be misunderstood by or are unknown to a modern audience. Displayed panels...

Listen to your child

By David Crystal

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Dictionary of Language and Languages An Encyclopedic

By David Crystal

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The Penguin Dictionary of Language

By David Crystal

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Words on words

By David Crystal

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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.