A blackmailer with religious mania and a decayed actor are murdered -- one by land and one by sea. Despite the challenges, Lt. Valcour is not daunted by his lat

Disaster at sea! When the yacht "Helsinor" strikes a reef in the Lesser Antilles, the passengers take to a lifeboat. Upon their return to the United States, acc

The Sturm House has an atmosphere of the unpleasant. The shooting of Alice Tribeau only adds to the that impression for Lt. Valcour, as he arrives in the midst

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. Sou

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 t