CITY OF BONES
The mortal instruments was written by Cassandra Clare published by walker books.
City of Bones is about Clary Frey, who finds out about a new world. The Shadowhunters. Her best friend Simon is turning into a vampire, she notice that she doesn´t knows anything about her family and she gets a boyfriend who has a relationship with her, for short: her whole world gets crazy. But there are even more secrets about her, that even she doesn´t knows. She joins the shadowhunters and has to deal with crazy warlocks, bloody vampires and her family.
More about Shadowhunters:
They have angelic blood and human blood (note from the author: that´s very sad) Shadowhunters, also called Nephilins, fight against downworlders, demons and half-blooded monsters. They have special weapons and healing materials. Mortals (normal humans) don´t see them if the don´t want to get seen. With the steal (like a wand) they burn marks in form of tattoos into their skin to have extra powers, like faster running or healing.