Douglas Duane by Edgar Fawcett (1847 - 1904)

An introverted, kind-hearted book collector befriends a mad scientist, who isn’t exactly a good friend. When the scientist falls in love with the book collector’s fiancée, he concocts an evil plot to have her for his own. Edgar Fawcett was a prolific author of standard fiction. With Douglas Duane he stepped out of his genre and created an unusual weird fiction work. (Summary by Amy Gramour.)