Holger Reiners Books

Fireplaces

By Holger Reiners

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Das Ratsel Depression

By Hegerl Ulrich Althaus David Reiners

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Umbauen

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Die Villa

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Brauchen wir noch Architekten

By Holger Reiners

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"Die Stadt verödet, die Vororte: ein Horror! Architekten auf die Barrikaden! "oder" Schluss mit klotzig! Warum viele deutsche Städte in Hässlichkeit versinken". So lauten die reißerischen Schlagzei...

Die Villa heute Baukultur und Lebensart

By Holger Reiners

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25 elegante Wohnhauser

By Holger Reiners

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Energie effektiv nutzen

By Holger Reiners

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Best Age. Manner um die 50

By Holger Reiners

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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.