This Edgar Wallace mystery takes place in London. Hope Joyner, ward of a Mr. Hallet whom she has never met, is in love with Sir Richard Hallowell. Diana Montague, who was once engaged to Sir Richard, now keeps very dubious...

A best-selling author of novels, short stories, magazine articles, translations, and plays, Oppenheim published over 150 books. He is considered one of the originators of the thriller genre, his novels also range from spy thrillers to romance, but all have...