It is a fantastic genre novel in which an antihero will have to discover what he is and free the world from an invasion of beings from another dimension, the djinn.
It's an adventure novel, science fiction and fantastic, I rummage in one with a high dose of black humor, a lot of dialogue, very dynamic and super-restrained. Very visual
Rick, our protagonist must save humanity from the arrival of the djinn with a group of the most bizarre beings  and it will be his own odyssey in which he will discover himself.
In the book the reader will find a detailed teaching about what is the world of the djinn in the ancient Arabic mythology and what has survived to our times, mixed with real cases of strange events not clarified by science today.