Proby, Kristen. Romancing Manhattan series.

"Quinn Cavanaugh doesnt do anything halfway. He drives fast, works hard, and plays even harder. And the word zcommitmenty doesnt exist in his dictionary. He has no plans of settling down with one woman for he needs to be free to move on to the next big thing whatever or whoever that may be. Each party knows the score going into it, and its all been working out fine. That is, until a sexy new colleague enters the scene. Sienna Hendricks doesnt give much thought to Quinn and the revolving door leading to his bedroom. Shes way too picky about who she shares her time or her body with and screwing around with a colleague isnt part of her plan either. Quinn doesnt intimidate her. And unlike most other members of her sex, she doesnt melt into a puddle at his feet whenever hes near. Most importantly, she has no issues telling him no. But for a man who has the world at his feet, Quinn isnt accustomed to being rejected. And hes not about to let that change no matter how persistent Sienna is. To his surprise, Sienna is everything he thought hed never find. Pursuing her, and convincing her he's changed, is going to be the biggest challenge of his life. One hes completely up for..."--Page [4] of cover