The Reluctant Hero (Silhouette Romance, #1016)

From "Shy Guy" to...It was hard enough for rugged Sam Pierce, private investigator, to go undercover as mild-mannered Simon Prime. Now Ernestine St. Bennett was about to blow it for him! For some reason his sexy blond neighbor felt obliged to transform him into an—Irresistible Hunk!Sam knew better than to play along with his tempting teacher. She was distracting him from solving his case. But her lessons in romance were just too hard to resist....