Samuel S. Kottek Books

La Bible la sante et l hygiene

By Samuel S. Kottek

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Medicine and hygiene in the works of Flavius Josephus

By Samuel S. Kottek

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This volume deals with the medical and paramedical topics, compiled from the works of Flavius Josephus, the Jewish historian who lived in the first century C.E. in Judea, and later in Rome. The stu...

Medicine and Medical Ethics in Medieval and Early Modern Spain

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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.