Rebel Princess — Chrissy Peebles

Warning: This series does have dark moments and is intended for mature teens or adults. This book does end on a major cliff hangar. Mild cursing. (not heavy at all) Mild violence. No sex. Sky Hammons tries to survive in an underwater city called Asha. With a strangler and stalker running amok, Sky is determined find out their identities. As her world crashes down around her, will she survive to her eighteenth birthday? Can she solve this murder mystery before anyone else dies?