Hermann Hiery Books

In the summer of 1914 Germany's Pacific colonies were a quiet backwater of its empire. But the shots of Sarajevo shattered the Pacific as well as Europe. Within weeks of the outbreak of World War I...

Das Deutsche Reich in der Sudsee (1900-1921)

By Hermann Hiery

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Reichstagswahlen im Reichsland

By Hermann Hiery

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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.