Mari Hannah Stone and Oliver Series 3 Books Collection Set (The Lost,The Insider,The Scandal)

The Lost:
'He was her child. The only one she'd ever have. It would kill her to learn that he was missing.' Alex arrives home from holiday to find that her ten-year-old son Daniel has disappeared. It's the first case together for Northumbria CID officers David Stone and Frankie Oliver.

The Insider:
'It was the news they had all been dreading, confirmation of a fourth victim.' When the body of a young woman is found by a Northumberland railway line, it's a baptism of fire for the Murder Investigation Team's newest detective duo: DCI David Stone and DS Frankie Oliver.

The Scandal:
When an young man is found stabbed to death in a side street in Newcastle city centre in the run up to Christmas, it looks like a botched robbery to DCI David Stone. But when DS Frankie Oliver arrives at the crime scene, she gets more than she bargained for.