The Gentleman's Impossible Task by Jessie Bennett
This is sweet, romantic, intriguing and suspenseful. With a very big twist. Sam is a calm, polite and charming man who loves to solve crimes. While Annette is devastated by her husband's death, she finds herself drawn to Sam, who has his vacation interrupted to investigate the death. They each wrestle with their most inappropriate feelings, both feeling guilty about the attraction, but also at peace when around the other. The storyline is interesting, the characters are all very captivating.