Valcour Meets Murder: A Lt. Valcour Mystery

Terror lay heavy on that strange household on the Canadian border -- but not until Lt. Valcour of the New York Police arrived did the hand of murder strike. Soundlessly, inexplicably -- and then Valcour's strangest, most perilous case began!
Valcour Meets Murder is is the 6th Lt. Valcour novel. It includes a preview of #7, The Lesser Antilles Case.