Ulrike Schubert Books

Der Frankfurter Domturm

By Uwe Dettmar, Sabine Curth, Robert Sommer, Dieter Bartetzko

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Renaissance der Gotik

By Ulrike Schubert, Stephan Mann

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Madern Gerthener und der Pfarrturm von St. Bartholomaus

By Diana Ecker, Ulrike Schubert, Bettina Schmitt

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Der reich bebilderte Begleitband zur Ausstellung erzählt von Planung und Bau des Frankfurter Domturms, der bis heute die Stadtsilhouette prägt. 1415 wurde der Grundstein gelegt, 1514 der Bau nach d...

Alter Pfarrthurm neu geboren

By Ulrike Schubert

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Frankfurt Hochst

By Christine Kloos, Ulrike Schubert

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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.