Books with title Vitality: The Proximity Series,

Vitality is the third book in the Proximity young adult science fiction and paranormal fantasy series:Palta learned long ago not to expect a "normal" life. She'd settle for one free of close encounters with supernaturally-gifted homicidal maniacs. Apparently that's too much to ask. Join your favorite Onontian royal family, as they settle into life at the palace...only don't get too comfortable, because things are about to take a hair-raising turn.