Boris Friedewald Books

Dalis Barte

By Boris Friedewald

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Dali s Moustaches

By Boris Friedewald

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Unser Bauhaus Bauhausler und Freunde Erinnern Sich

By Magdalena Droste, Boris Friedewald

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Our Bauhaus

By Magdalena Droste, Boris Friedewald

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Women Photographers

By Boris Friedewald

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Now enlarged and updated, this introduction to great and famous women photographers from the 19th century to today features striking works of 60 artists, along with in-depth biographical...

Die Engel von Paul Klee

By Boris Friedewald

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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.