Vicente Rojo Books

En *España heroica*, el general Rojo presenta, como indica el subtítulo, «diez bocetos de la guerra española». El solo enunciado de los capítulos (El ejército popular, Madrid, El Jarama, Guadalajar...

Asi fue la defensa de Madrid

By Vicente Rojo

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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.

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