Shadow Falls - Born at Midnight (Book One) by C.C. Hunter

Kylie Galen's world is upside down. She's a good kid who doesn't get in trouble. She studies hard, loves her family and her friends...just a normal girl ....at least that's what she thinks. Now her grandmother has passed away, her parents are seperating, her boyfriend has broken up with her, her best friend is in trouble and, for the first time in her life, so is she. Plus she is being stalked by a solder who no one else seems to see. Kylie's newly appointed shrink recommends she go to a summer camp for "troubled teens" where she can find out who she really is. Problem is, she discovers nothing is what it seems, even her!