Chiara Balleello Books

The journey to Atlantis

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When Paulina, one of the Thea Sisters, finds a strange blue-skinned boy unconscious on the beach, the sisters set out to solve the mystery of who the boy is and where he comes from--and how to retu...

Royal Ball

By Chiara Balleello, Elisabetta Dami, Barbara Pellizzari, Andrea Schaffer, Francesco Castelli

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Thea Stilton and the Hollywood Hoax

By Chiara Balleello, Elisabetta Dami, Emily Clement, Barbara Pellizzari

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Thea Stilton and the Fiesta in Mexico

By Chiara Balleello, Elisabetta Dami, Federico Giretti, Barbara Pellizzari, Valeria Brambilla

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Thea Stilton and the American Dream

By Chiara Balleello, Elisabetta Dami, Giuseppe Facciotto, Barbara Pellizzari, Flavio Ferron

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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.