Helene Ivanoff Books

Art rupestre africain

By Helene Ivanoff, Magueye Kasse, Richard Kuba

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Matisse in the Studio

By Ann Dumas, Marie Therese Pulvenis De Seligny, Suzanne Preston Blier, Helene Ivanoff, Jack Flam, Claudine Grammont

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Kulturkreise

By Helene Ivanoff, Richard Kuba, Jean Louis Georget

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Leo Frobenius (18731938), einer der führenden Ethnologen seiner Zeit, beeinflusste mit seinen Erkenntnissen und Theorien auch Nachbardisziplinen wie die Vor- und Frühgeschichte oder die Kunst...

Frobenius

By Helene Ivanoff, Karl Heinz Kohl, Richard Kuba

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Collection of photographs of rock art that Leo Frobenius investigated since early 1900's until his old age, when he no longer could go to sites to do field work and led expeditions from a distance....

Henri Matisse

By Marie Therese Pulvenis De Seligny, Helene Ivanoff, Ellen McBreen

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Les artistes et leurs galeries

By Denise Vernerey, Helene Ivanoff

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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.