Peter T. Deutermann Books

Hearing rumors of the construction of a formidable Japanese battleship capable of adversely shifting power in World War II, Lieutenant Commander Gar Hammond is charged with leading a first American...

Jagd auf die Skorpion .

By Peter T. Deutermann

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Die Geheimnisse des Admirals Sherman. Thriller.

By Peter T. Deutermann

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Sechzig Meilen Sudost.

By Peter T. Deutermann

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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.