Heike Hohlbein Books

Magic Moon

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Magic Moon chronicles the adventures of Kim, who enters an enigmatic realm where he battles unthinkable monsters and fantastical beings in order to unravel the secret that keeps his sister locked i...

Die Heldenmutter

By Wolfgang Hohlbein, Heike Hohlbein

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Die Heldenmutter

By Wolfgang Hohlbein

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Dreizehn

By Wolfgang Hohlbein

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Unterland.

By Wolfgang Hohlbein, Heike Hohlbein

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Drachenfeuer.

By Wolfgang Hohlbein, Heike Hohlbein

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Midgard

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Spiegelzeit

By Wolfgang Hohlbein, Heike Hohlbein

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Marchenmond

By Wolfgang Hohlbein

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Die Bedrohung

By Wolfgang Hohlbein

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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.