Book 1: Shadows of Grace: The Twin DetectivesThe series begins with Shadows of Grace, introducing Caleb and Ezekiel Grayson, whose unique abilities emerged after surviving a near-death lightning strike decades ago. When supernatural phenomena disrupt the tranquility of Haven's Reach, the brothers must confront their first major adversary: The Harbinger, a sinister force tied to cryptic visions and ominous warnings. As they race to uncover the truth, they discover hints of a deeper conspiracy-and realize their gifts may be both a blessing and a curse. Though they resolve the immediate threat, unanswered questions about their powers and the true nature of the evil they face linger, setting the stage for the mysteries to come.