Jan L. De Jong Books

The Miracle of the Transplantation of the Black Leg, a posthumous miracle performed by the saints Cosmas and Damian, is best known from the Golden Legend of Jacobus the Voragine (1265). From the ea...

Some Successive Approximation Methods in Control and Oscillation Theory by Peter l Falb and Jan l de Jong

By Jan L. De Jong, Peter L. Falb

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Power and the Glorification

By Jan L. De Jong

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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.