Mario Testino Books

"Mario Testino came to London from Peru in the late 1970s and made his name in British, American, French and Italian Vogue and Vanity Fair. In his previous books - Any Objections, Front Row Back St...

MARIO TESTINO

By TESTINO MARIO . Testino Mario Julia Peyton Jones

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Mario Testino portraits

By Mario Testino

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Mario Testino Portraits

By Mario Testino

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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.