Hilary Henkin Books

Des hommes d'influence Wag the dog

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Comédie satirique. Deux semaines avant une élection, le président des États-Unis est surpris en train de faire des avances sexuelles à une adolescente. Au moment où cette nouvelle choquante atteint...

Wag the Dog VHS

By David Mamet, Barry Levinson, Larry Beinhart, Hilary Henkin, Claire Rudnick Polstein, Eric McLeod, Ezra Swerdlow

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Wag the Dog VHS

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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.