City of Bones (Mortal Instruments #1) by Cassandra Clare

Goodreads Summary:
When fifteen-year-old Clary Fray heads out to the Pandemonium Club in New York City, she hardly expects to witness a murder - much less a murder committed by three teenagers covered with strange tattoos and brandishing bizarre weapons. Then the body disappears into thin air. It's hard to call the police when the murderers are invisible to everyone else and when there is nothing - not even a smear of blood - to show that a boy has died. Or was he a boy?

This is Clary's first meeting with the Shadowhunters, warriors dedicated to ridding the earth of demons. It's also her first encounter with Jace, a Shadowhunter who looks a little like an angel and acts a lot like a jerk. Within twenty-four hours Clary is pulled into Jace's world with a vengeance, when her mother disappears and Clary herself is attacked by a demon. But why would demons be interested in ordinary mundanes like Clary and her mother? And how did Clary suddenly get the Sight? The Shadowhunters would like to know....

Exotic and gritty, exhilarating and utterly gripping, Cassandra Clare's ferociously entertaining fantasy takes readers on a wild ride that they will never want to end.

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Shadowhunters? Werewolves? Demons? Vampires? This book contains any dark creature you can think of as well as those you may have never heard of.  Those that hunt the dark creatures are included as well.  This story has everything you could imagine including things that blow up and you will find yourself sympathizing with the characters.  Clary finds out a lot about herself while trying to determine what happened to her mother and what exactly all of this stuff means.  She probably finds out more than she would like to know, but in the end it helped her in every way that she needed.  The characters are easy to love and a great set that compliment each other.  I'm sure the next book in this series will be just as good - if not better - than the first.