Beautiful Demons (Peachville High Demons, #1) by Sarra Cannon
Approx. 45,530 words.
Published on October 29, 2010.
Harper Madison isn't like other girls. She has extraordinary powers, but her inability to control them has gotten her kicked from so many foster homes she's lost count. Shadowford Home is her last chance, and she hopes Peachville High will be the fresh start she needs. When evidence ties her to the gruesome murder of a Demons cheerleader, Harper discovers this small town has a big secret.