The Billionaire's Baby (The Romero Brothers, Book 5). The Romero Brothers (Billionaire Romance), #5

Pregnant and alone, Amber Johnson-Murray, aka "Miss Always-Careful, " never in her life thought she'd end up single while expecting a child. After leaving an emotionally abusive relationship, she has sworn off men until further notice. That is, until she bumps into an old friend, hot and delicious property developer, Jules Romero. The baby growing inside her is a precious miracle. But how can she control the feelings growing inside her for too-hot-to-handle Jules? High-flying billionaire Jules Romero is determined to bury himself in his work acquiring properties after suffering injuries from a near-fatal accident, but meeting up with sweet Amber has thrown a kink in his plans.
Though Amber is determined to keep the identity of her baby's real father a secret, he wants nothing more than to take care of Amber and her child.