Thanks, Roshanarose, for the recommendation of the Phryne Fisher series. I'd not heard of the author Kerry Greenwood, but this series sounds very good.
I just finished a very interesting historical mystery, A BURIAL AT SEA by Charles Finch, a British author. Excellent writing and research. Set in 1873. The protagonist, Charles Lenox, formerly a detective, now a member of Parliament, is sent by his brother at the request of the PM, on one of Her Majesty's ships to Egypt. Officially, he is to meet with the new leader of Egypt, but the real reason is to spy and find out France's intentions toward England (they suspect France is planning to attack England without warning).
On board the ship, the second lieutenant is murdered. The captain, knowing of Lenox's background, asks his help to find the murderer. As you read the book, you feel as it you are actually aboard ship. So many fascinating historical details, i.e., how a burial at sea is conducted, and much more. I will read more of this series.
Marj