The name, Edgar Wallace, threads through early twentieth century crime fiction like a stream that turns out to be a lot deeper and wider than you thought. During the 1920s and 30s, it was said that one of every four books read in England was written by Wallace, who ultimately produced 173 books and 17 plays.
This book has all the aspects of good mysteries from around 1930 a beautiful woman, a young man infatuated with her, a secret society, an evil man, lots of twists of plot, and a surprise ending.