Leopold, David Books

The Hirschfeld Century

By Al Hirschfeld, David Leopold, Hirschfeld, Al, Leopold, David

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I am down to a pencil, a pen, and a bottle of ink. I hope one day to eliminate the pencil. Al Hirschfeld redefined caricature and exemplified Broadway and Hollywood, enchanting generations with his...

Young Karl Marx

By David Leopold, Leopold, David

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The Hirschfeld Century

By EDITED, DAVID LEOPOLD, Al Hirschfeld, Hirschfeld, Al, Leopold, David, With Text

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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.