A month after his death, angel tristan is still trying to warn ivy of impending danger. Only after narrowly escaping death does ivy know the truth--tristan is with her, and angels do exist. For young adult readers, this ...A month after his death, angel tristan is still trying to warn ivy of impending danger. Only after narrowly escaping death does ivy know the truth--tristan is with her, and angels do exist. For young adult readers, this trilogy blending celestial visitors, teen romance and suspense is a match made in heaven.