Delphine Perret Books

The Big Bad Wolf and me

By Delphine Perret

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When the Big Bad Wolf is mistaken for a dog, he comes to live in a boy's closet and eat chocolate chip cookies.

Pedro and George

By Delphine Perret

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"Pedro and George are fed up with the children of the world getting them confused. Pedro is a crocodile, and George is an alligator. There's a difference, you know. This determined pair decides to...

Mademoiselle Lisa

By Delphine Perret

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Mona Lisa, une jeune femme sérieuse, a envie de changer de tête. Elle se coupe les cheveux et les teint en blond, choisit des vêtements modernes et se rend à Las Vegas, puis dans une petite ville d...

Miss Lisa

By Delphine Perret

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Toques vertes

By Delphine Perret

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OUST OU L INSUPPORTABLE MONSIEUR STAN

By Claudine Aubrun, Delphine Perret

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Lettres a plumes et a poils

By Delphine Perret

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Moi le loup et les chocos

By Delphine Perret

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When the Big Bad Wolf is mistaken for a dog, he comes to live in a boy's closet and eat chocolate chip cookies.

Imagier ron ron

By Delphine Perret

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Moi le loup et les vacances avec Pepe

By Delphine Perret

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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.