Raul Martinez Books

Rooly and Flora's Reunion (Make Friends Around the World)

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Rooly finds many things to enjoy during his family reunion in Havana, Cuba, including a trip to the beach and wonderful food, but the best part is spending the day with his favorite cousin, Flora.

Rooly Flora s Reunion

By Raul Martinez

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La danza de los muertos

By Raul Martinez, Pierre Ferrero

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Dame un beso

By Raul Martinez, El Don Guillermo

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Corredores aereos

By Raul Martinez, Davodeau, Hermenier, Joub

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Las pinas de la ira

By Raul Martinez, Cathon

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Rosalie Blum

By Camille Jourdy, Raul Martinez

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Los ignorantes

By Raul Martinez, Etienne Davodeau

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Enquesta a la joventut de Catalunya, 1990

By Raul Martinez

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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.