Thore D. Hansen Books

Die Reinsten

By Thore D. Hansen

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The Work I Did

By Brunhilde Pomsel, Thore D. Hansen

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Work I Did

By Shaun Whiteside, Brunhilde Pomsel, Thore D. Hansen

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Work I Did

By Shaun Whiteside, Brunhilde Pomsel, Thore D. Hansen

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The Celtic Conspiracy: A Novel

By Thore D. Hansen

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In the final days of World War II, an Irish soldier discovers a cache of artifacts in an Austrian cave that threatens to expose long-buried secrets of the Catholic Church. Secrets that prove the Dr...

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.