The pulp era's most intriguing superhero returns in two more epic adventures with Ernst writing as Kenneth Robeson. First, Chicago skyscrapers collapse after "The Sky Walker" is seen striding above the skyline, sparking fears of an alien invasion in the pulp epic that was later adapted to comics by Jack Kirby. Then, The Devil's Horns a cryptic message traced in a dying man's own blood provides the clue that helps the Avenger clean up a corrupt city. This showcases H.W. Scott's classic pulp covers, and reprints all the original interior illustrations by Paul Orban. Bonus: A Whisperer novelette from the back pages of The Shadow Magazine, plus original commentary by pulp historian Will Murray.