Arantza Portabales Books

Belleza Roja

By Arantza Portabales

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Belleza roja Red Beauty

By Arantza Portabales

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La nueva dama de la novela negra española. Un crimen pasional en Santiago de Compostela. GANADORA DEL PREMIO FREI MARTÍN SARMIENTO   Seis sospechosos cenan en el jardín d...

La vida secreta de Ursula Bas The Secret Life of Ursula Bas

By Arantza Portabales

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TRAS EL ÉXITO DE BELLEZA ROJA, UN NUEVO CASO DE ABAD Y BARROSO: UNA EXCEPCIONAL INTRIGA DE CELOS Y VENGANZAS, POR LA NUEVA DAMA DE LA NOVELA NEGRA ESPAÑOLA LIBRO DEL VERANO SEG&Uacu...

Asesinato en la Casa Rosa Murder in the Pink House

By Arantza Portabales

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El primer caso de la serie «Los Crímenes de Loeiro», por la aclamada autora de Belleza roja, con más de 100.000 lectores. Premio Novela Europea Casino de SantiagoPremio Fr...

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.