Absolutely, Positively

Absolutely, Positively by Krentz, Jayne Ann. mass_market edition. ISBN: 9780671778736.

Molly Abberwick, trustee of her late fathers foundation, is furious with her new consultant, scientist-philosopher Dr. Harry Stratton Trevelyan. Harry is brilliant, sexy, and absolutely impossible -- and his outrageous suggestion of a scientifically inspired affair with her is positively the last straw....Besides, Mollys got a much more serious problem; shes become the target of a stalker whose sinister pranks are swiftly escalating into violence. Only Harry, of all people, seems to comprehend the true nature of the threats against his alluring boss. As a dangerous predator closes in on Molly, the enigmatic Dr. Harry seizes the day to reveal himself in a totally unexpected light....