Pierre Le Tan Books

The afternoon cat

By Pierre Le Tan

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Refusing to eat sea-urchin soup, Timothy is sent to his room, where he begins an adventure with a talking cat.

Happy birthday, Oliver!

By Pierre Le Tan

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Excited about his birthday, Oliver is disappointed that no one seems to remember it.

Voyage au pole nord

By Pierre Le Tan

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Pierre Le-Tan.

By Pierre Le Tan

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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.