Hans Janssen Books

Britta Huttenlocher: Dt. Engl.

By Christine Jenny, Hans Janssen, Britta Huttenlocher

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Morgan Betz

By Willem Baars, Johan Gustavsson, Morgan Betz, Benno Tempel, Hans Janssen

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Although Mondrian is generally recognized for his powerful influence on twentieth-century art, architecture and design, his achievement as a painter has been underestimated. This comprehensive mono...

The story of De Stijl

By Hans Janssen

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De Stijl is by far the most easily recognisable of all European avant-gardes. The radically geometrical construction and the cheery colourfulness of the art of Mondrian, Van Doesburg, Gerrit Rietve...

Richard Serra Drawings Zeichnungen

By Richard Serra, Hans Janssen

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Mondrian De Stijl

By Piet Mondrian, Matthias Muhling, Helmut Friedel

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Piet Mondrian. Ausstellung in der Albertina, Wien vom 11. M arz bis 19. Juni 2005

By Hans Janssen, Hans Jansen

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Georges Vantongerloo 1886 1965 und seine Kreise von Mondrian bis Bill

By Georges Vantongerloo

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Piet Mondriaan

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Cezanne Picasso Mondriaan

By Haags Gemeentemuseum

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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.