Darkest Fear and No Second Chance (2 books in 1)

Darkest Fear (Myron Bolitar, #7):A surprise visit from an ex-girlfriend is unsettling enough. But Emily Downing’s news brings Myron to his knees. Her son Jeremy is dying and needs a bone marrow transplant from a donor who has vanished without a trace. Then comes the real shocker: Jeremy is Myron’s son, conceived the night before Emily’s wedding to another man. Myron is determined to help him. But finding the missing donor means cracking open a dark mystery that involves a broken family...