Fabian Lenk Books

1000 Gefahren im Gruselschloss

By Fabian Lenk

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1000 Gefahren im dunklen Kerker

By Fabian Lenk, R. A. Montgomery

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Ratekrimi aus Griechenland: Die Geschichte dieses Büchleins spielt im Jahre 332 v. Chr., als Alexander der Grosse die Stadt Tyros erobert hat. Auf seine Männer werden immer wieder Anschläge verübt....

1000 pryhod na pirats komu korabli

By Fabian Lenk

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1000 pryhod z dynozavramy

By Fabian Lenk

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1000 pryhod u zamku z pryvydamy

By Fabian Lenk

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1000 pryhod na mori

By Fabian Lenk

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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.