Petru Dumitriu Books

Le narrateur doit mener une enquête sur un homme, Sébastien Ionesco, alors que lui-même est sur le point de fuir son pays. Il se sent manipulé, mais de cette enquête dépendra son sort. Il apprend q...

L homme aux yeux gris

By Petru Dumitriu

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Comment ne pas l'aimer!

By Petru Dumitriu

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Mon semblable mon frere

By Petru Dumitriu

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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.