Under Colton's Watch — Addison Fox

A killer on the loose

…and an unexpected attraction

There's only one way US Marshal Aidan Colton can protect a pregnant, recently widowed witness from the Black Widow. He takes Ciara Kelly to a safe house to guard her 24/7. But keeping a professional distance from the bristly, independent professor challenges his long-held distrust of serious relationships. In fact, it's harder than he imagined. Especially when the Black Widow has vengeful plans to snare Ciara.