Marco Weber Books

The informers

By Bret Easton Ellis, Nicholas Jarecki, Gregor Jordan, Marco Weber

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Los Angeles, 1980s. Centers on an array of characters who represent both the top of the heap - a Hollywood dream merchant, a dissolute rock star, an aging newscaster - and the very bottom (a voyeur...

Mehrfachbeschaeftigung in Deutschland ein Phaenomen Relativer Armut

By Marco Weber

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Mehrfachbeschaeftigung in Deutschland ein Phaenomen Relativer Armut

By Marco Weber

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Mehrfachbeschaeftigung in Deutschland ein Phaenomen Relativer Armut

By Marco Weber

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Mehrfachbeschaeftigung in Deutschland ein Phaenomen Relativer Armut

By Marco Weber

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The Thirteenth Floor

By Roland Emmerich, Inc., Marco Weber, Ute Emmerich, The 13th Floor Productions Inc. Centropolis Streamline

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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.