Intangible

Mason is not imaginary. He's not a ghost, either. And he's most definitely not a hallucination.
Mason is an Aerling, and the Sentinels' number one target. Inseparable since Olivia found Mason crying in her front yard as a child, being apart from each other is unbearable. Knowing the separation is necessary to keep Mason safe and alive should make it easier for Olivia, but being stripped of her best friend and the person she loves most only heightens her fear and suspicions of those claiming ...