Shattered Heaven — W.L. Knightly

Two mysterious children show up in town ten years after a girl goes missing on graduation night. The missing girl's best friend, Rowan, believes there's a connection, but the authorities don't believe her.Now more strangers are showing up, and Rowan fears the children are in danger. When she discovers the children have been secretly marked, she knows the kids aren't safe. She'll have to risk it all to figure out who is after them and why.