Solitary Soldier (The Colby Agency)

THERE IS ONLY ONE MAN WHO CAN HELP YOU. IF HE'LL TAKE YOUR CASE."
--Victoria Colby of the Colby Agency to Rachel Larson, desperate mother

She'd heard his heart was as hard as his honed body and as cold as the steel of his gun. But the man called Sloan was Rachel Larson's last hope. She had nowhere left to hide from her son's father--a cold-blooded assassin, and Sloan's deadliest enemy. So she would face this lone wolf in his lair and plead for his help... .

Ex-agent Sloan lived only to take down the man who'd killed all he loved. Now a desperate, desirable woman offered him that chance on a silver platter. Vengeance was his--if he could keep Rachel and her son from invading the fortress around his heart....