The Knight of Darkness hunts hidden crimelords in two thrilling mysteries by Walter B. Gibson writing as "Maxwell Grant." First, the only clue to the deadly crime wave engulfing Manhattan is a single wireless message typed out in Morse Code: "Q." Then, a brilliant mathematician invents a system to chart future crimes. Can The Shadow use the "Formula for Crime" to solve the mysterious "X" and unmask a criminal mastermind? BONUS: an ultra-rare classic from the Golden Age of Comics! This instant collector's item features both classic color pulp covers by George Rozen and Graves Gladney and the original interior illustrations by Earl Mayan and Paul Orban, with original commentary by popular culture historians Will Murray and Anthony Tollin. (Sanctum Books) Softcover, 7x10, 128 pages, B&W, $14.95