Since Google Drive links are private and change frequently, here is the best way to find the specific PDF you are looking for:
While free PDF versions may exist on Google Drive, accessing them is a violation of copyright law and does not support the author who created the work. The most reliable, high-quality, and ethical way to read El Corazón del Rey is by purchasing it or borrowing it from a legitimate service. The book is widely available for purchase: el corazon del rey pdf google drive oa hot