Frank Lucius Packard (February 2, 1877 – February 17, 1942) was a Canadian novelist born in Montreal, Quebec. He worked as a civil engineer on the Canadian Pacific Railway. He later wrote a series of mystery novels, the most famous of which featured a character called Jimmie Dale. Jimmie Dale is a wealthy playboy by day, with a Harvard education and membership to New York City’s ultra-exclusive private club St. James. But at night he puts on a costume and becomes The Grey Seal, who enters businesses or homes and cracks safes, always leaving a diamond shaped, grey paper “seal” behind to mark his conquest, but never taking anything...

Frank Lucius Packard (February 2, 1877 – February 17, 1942) born in Montreal, Quebec, was a Canadian novelist. Packard is credited with bridging the gap from the “cozy” style mysteries to the more gritty, hard-boiled style of such writers as Dashiell Hammet and Raymond Chandler. Packard also wrote a series of novels, beginning in 1917, featuring Jimmie Dale. A wealthy playboy by day, at night, Jimmie becomes a crimefighter “The Gray Seal” complete with mask and secret hide-out, “The Sanctuary”...