The Four Horsemen (Book One)

Once, long ago this world was divided up by many species. Once upon a time it was told that all species lived in peace, The vampires, the witches, the werewolves, the humans and the shape shifter's.
The Queen of the vampires, Valentina was beautiful and strong, she was one with her creations, no one knows exactly what happened when Valentina lost her "humanity", some say she had the taste of human blood and that is what drove her mad, she broke the peace treaty and destroyed almost all of the human species.
What humans that survived became hunters and fought back, able to succeed in containing and locking Valentina away and making new order with the other four species, they made four horsemen, once of each specie, a vampire, a shape shifter, a witch and a werewolf.
The horseman were in charge of the whole nation, keeping every in control and rules strict, but now there is a new threat, a new danger that is determined to destroy the world, suck it dry and kill all species that have come accustom to their loving and beautiful earth.

My name is Mireya, I am one of the horseman, as well as a vampire. I am the only female horseman and have to work hard to prove my worth to keep up with the other horseman, I am also one of the youngest vampire but the most powerful.
We have now discovered a new threat and have to work together before it's too late.