Crime of Violence: A Lt. Valcour Mystery, by Rufus King (epub/Kindle/pdf)
When a wealthy New Yorker with a young bride is shot in his Manhattan mansion, then a blackmailing valet perishes in Easthampton, only Lt. Valcour can unravel the mystery.
"A clever solution…[the] tale has more than usual amount of chipper chatter." -- The Saturday Review