Christoph-Keller Books

Tim Lee Mark Soo

By Marc Soo, Tim Lee

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Jonathan Monk

By Christoph Keller, Jonathan Monk

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Russian Stories

By Christoph-Keller, Edited By Christoph Keller

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Two centuries of short stories by twenty-five titans of Russian literature, from Pushkin and Gogol to Tatyana Tolstaya and Svetlana Alexievich--in the beautifully jacketed Pocket Classics series.Ru...

City 2

By Jakob Kolding

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Hip Hops

By Edited By Christoph Keller

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A beautiful hardcover Pocket Poets collection of poetic tributes to beer from around the world and through ages.From the ancient "Hymn to Ninkasi" (the Sumerian goddess of beer) to eighth-century C...

We re on

By June Jordan

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"Poet, activist, and essayist June Jordan is a prolific, significant American writer who pushed the limits of political vision and moral witness, traversing a career of over forty years. With poetr...

Der beste Taenzer

By Christoph Keller

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Kommentar zur Europaischen Wahrungsunion

By Florian Becker, Helmut Siekmann

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Das Theologische In Der Moraltheologie: Eine Untersuchung Histor. Modelle Aus D. Zeit D. Dt. Idealismus

By Christoph-Keller, Christoph Keller

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Christoph Keller. Includes Index. Bibliography: P. [386]-412.

Gulp

By Keller Undifferentiated

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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.