Thomas Barthel Books

Der Pharma Werker

By U. Fritzsche, Th Barthel, P. Schwarz

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The Pharmaceutical Technician

By Thomas Barthel, Uwe Fritzsche, Peter Schwarz

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Pepper Martin

By Thomas Barthel

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Baseball barnstorming and exhibition games 1901 1962

By Thomas Barthel

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"Baseball postseason barnstorming is a phenomenon specific to baseball and American sports. Exhibition games added even more liveliness to this hubbub of activity. In baseball the term "barnstormin...

Babe Ruth and the Creation of the Celebrity Athlete

By Thomas Barthel

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SAP Arbeit Management. Durch systematische Arbeitsgestaltung zum Projekterfolg.

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Fierce Fun of Ducky Medwick

By Thomas Barthel

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Abner Doubleday

By Thomas Barthel

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Abner Doubleday

By Thomas Barthel

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Opening the East River

By Thomas Barthel

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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.