The Ireland Series Books in Order

Seven years after her husband's murder, detective Abigail Browning returns to a Maine island following an anonymous tip. Search-and-rescue worker Owen Garrison helps her reopen the case, exposing layers of deception among people who resist her questions.

Keira Sullivan discovers a legendary stone angel inside an Irish ruin before the building collapses. Rescuer Simon Cahill finds evidence of real violence, and a killer follows them toward Boston as the ancient story becomes dangerously personal.

Lizzie Rush's work exposing a billionaire's criminal network brings retaliation, a Boston bombing and a missing detective. With the suspect gone, she must decide whether intelligence officer Will Davenport can be trusted to help prevent further attacks.

Archaeologist Sophie Malone survived a terrifying night in an Irish cave, but missing Celtic artifacts now appear linked to killings in Boston. Detective Scoop Wisdom joins her in connecting ancient treasures with a bombing and ritualistic murder.