The Passionate Accountant — Sally Goldenbaum

He had her number...
To private investigator Mac Harris, the icy elegance and aloof mystery of his new tax accountant added up to a romantic challenge. She intrigued him. But he soon discovered detective work was an easier task than getting close to Jane Barnett. Ever since a disastrous first marriage, Jane had wanted nothing more to do with men. Then came Max. and the flames of desire that seared her whenever he got to near. Jane was determined to keep a cool distance, but his heated pursuit fired up her solitary life.