David Blair Books

First and Final War: Basic Information Manual on the Effects of Nuclear War Applied to Australasia

By David Blair

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Key Dictionary Bloomsbury Keys

By David Blair

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Alice's Adventure in Wonderland

By Lewis Carroll, David Blair

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A retelling of the well-known tale in which a little girl falls down a rabbit hole and discovers a world of nonsensical and amusing characters.

Wittgenstein Language and Information

By David Blair

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This book is an extension of the discussions presented in Blair’s 1990 book "Language and Representation in Information Retrieval", which was selected as the "Best Information Science Book of the Y...

Gothic Short Stories

By David Blair

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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.