David Crystal Books

Cambridge Ency of English Lang X 5 C Pac

By David Crystal

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The Story of English in 100 Words

By David Crystal

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English As a Global Language

By David Crystal

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How Language Works

By David Crystal

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Steven Pinker meets Bill Bryson in this landmark exploration of language. In the author's own words, "How Language Works is not about music, cookery, or sex. But it is about how we talk about musi...

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.