D. J. Matthews Books

An Anthology of Urdu Verse in English: With the Original Poems in Devanagari

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Urdu, one of the major languages of South Asia cutting across political boundaries, has a wide and varied literature, and its poetry especially is known and loved even by many who do not speak it a...

An Anthology of Classical Urdu Love Lyrics

By D. J. Matthews

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A course in Nepali

By D. J. Matthews

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A Course in Nepali

By D.J. Matthews

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Iqbal

By D. J. Matthews, Sir Muhammad Iqbal

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Urdu literature

By D. J. Matthews

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Teach Yourself Urdu Teach Yourself

By David Matthews, Mohamed Kasim Dalvi

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Little Pink Doctor

By Melanie Lopata, D. J. Matthews, Denny Poliquit

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Little Pink Doctor

By Melanie Lopata, D. J. Matthews, Denny Poliquit

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Little Pink Oral Surgeon

By Melanie Lopata, D. J. Matthews, Denny Poliquit

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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.