Theodora Vischer Books

"We are fortunate in being able to present a wide-ranging selection of Georgia O'Keeffe's wonderful, heterogenous, and often surprising works here at the Fondation Beyeler. With eighty-five outstan...

Parkett No. 1

By Theodora Vischer

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Marlene Dumas

By Leontine Coelewij, Theodora Vischer, Helen Sainsbury, Marlene Dumas

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Wolfgang Tillmans

By Katharina Volckmer, Theodora Vischer, Wolfgang Tillmans, Kristina Mundall

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Georgia O Keeffe

By Georgia O Keeffe, Theodora Vischer

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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.