Alf Lechner Books

Rupprecht Geiger Alf Lechner

By Alf Lechner, Gottfried Knapp, Rupprecht Geiger, Julia Geiger, Daniel McLaughlin

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Rupprecht Geiger (1908?2009) zählt zu den wichtigsten abstrakten Malern der deutschen Nachkriegsavantgarde, Alf Lechner (1925?2017) gilt seines Zeichens als der bedeutendste Stahlbildhauer der Nach...

Eisenmeer, Blau

By Alf Lechner, Tobias Hoffmann, Nikolaus Koliusis

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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.