J. M. John Michael Cohen Books

'The Admiral was quite certain that they were near land ... He promised to give a silk doublet to the first sailor who should report it'No gamble in history has been more momentous than the landfal...

Dictionary of Modern Quotations, The Penguin: Second Edition

By J. M. John Michael Cohen, J. M. Cohen

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Dictionary of 20th Century Quotations The Penguin

By J. M. John Michael Cohen

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The New Penguin Dictionary Of Quotations

By J. M. John Michael Cohen

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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.