It is important to clarify from the outset: published by DK is a copyrighted title. Distributing or hosting a direct PDF download without permission from the publisher (DK, part of Penguin Random House) is illegal in most jurisdictions.
Go to your local public library (in Spain or Latin America). Ask for a digital library card. This takes 5 minutes and is free. It is important to clarify from the outset:
Click "Borrow" and select "PDF" format.
Search for the ISBN of the Spanish edition: 978-0241225840 . It is important to clarify from the outset: