His Best Friend's Sister by Sarah M. Anderson

He's always played by his family's rules. Until he plays house with his best friend's sister.

Rodeo mogul Oliver Lawrence can't say no to his best friend's sister, pregnant widow Renee Preston. When the innocent beauty needs refuge from the tabloids, he offers his penthouse – and his bed. The passion between them is anything but innocent. And soon Oliver must choose: protect his family from her scandal or stand by the woman he can't let go…