The Knight of Darkness returns in two thrill-packed mysteries by Walter B. Gibson. First, the Knight of Darkness and his agents meet the challenge of an evil foursome who have made a deadly compact as "Brothers of Doom" Then, The Shadow investigates "The Three Brothers" to discover which is the evil mastermind behind a series of enigmatic murders! This instant collector's item showcases both classic color pulp covers by George Rozen and Graves Gladney and the original interior illustrations by Tom Lovell and Edd Cartier, with original commentary by popular culture historian Will Murray.