Paola CALASANZ Books

Si la luna nos viera tocaria nuestra cancion If the Moon Could See Us, It Woul d Play Our Song

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El esperado final de la nueva bilogía de Dulcinea, Luna. Nunca dejes de soñar...   Tras soñar durante meses con el mismo chico y no dar con él en la vida real, Viol...

Suenas a blues bajo la luna llena You Sound Like Blues Under the Full Moon

By Paola Calasanz Dulcinea

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Hay amores que son de otro mundo... y la luna siempre nos abraza. Dulcinea regresa a la ficción con una nueva, profunda y fantástica bilogía que inspirará de nuevo a t...

Tu y yo en las raices del tiempo You and I in the Beginning of Time

By Paola Calasanz Dulcinea

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Fer ya no quiere vivir. Alex necesita salvar a alguien. Una historia de amor imposible que te hará recuperar la fe y reconectar con lo esencial de la vida. Alex es enfermera en un hospital...

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.