The Hallow Search For None

Nyala is 16 when she is sent to her father. The month she was born she and her mother thought her father died in the fire that killed her 7 year old brother. But her consience fails to see her through and she goes anyways. Although when she goes, the place that should be a huge house is a run down parking garage. When goes to the top, she doesn't find her dad but she finds a package. When she opens it, it is a book. This book  is mysterious and intriguing but is filled with recipes for the worlds most dangerous potions and spells in dark magic.