INSTRUCTIONS Make the amount of the desired book(s) in the current account of the author (I Part €16 - II Part €20 - I and II Part €26 BANCO DE SANTANDER ES72-0049-4977-34-241650288 Send an email to presidenteagcs@ gmail.com specifying that the payment has been made, identifying the order placed (eg 2 books Part I, 1 book II Part, €52). Our partner and associate Juan José Mateos will donate 50% of the sales made to us through this page, so in addition to reading you will collaborate with this Association