Carine Roitfeld Books

The little black jacket

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A collection of portraits of actors, musicians, designers, models, writers and directors wearing a Chanel tweed jacket as part of their costume, photographed by Karl Lagerfeld and styled by Carine...

Carine Roitfeld

By Carine Roitfeld, Cathy Horyn

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Fantasies

By Carine Roitfeld

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Mario Testino. Undressed

By Matthias Harder

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Little Black Jacket

By Carine Roitfeld, Karl Lagerfeld

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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.