Paul Emil Erdman Books

The Crash of 79

By Paul E. Erdman

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Crash of 79

By Paul E Erdman

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Delit d initie

By Paul Emil Erdman

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A peine débarqué à l'aéroport de Bâle, Charlie Black, ancien président de la Federal reserve américaine, est jeté en prison, inculpé de délit d'initié. Est-il coupable ou victime d'une machination?

Crash 81 Der grosse Schock. Roman

By Paul E. Erdman

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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.