America's first superhero returns in two over-the-top adventures by Lester Dent writing as Kenneth Robeson! First, Doc Savage battles genetically-engineered giants in 'The Monsters,' the classic pulp thriller that inspired the Hugo Strange story in Batman #1. Then, the Man of Bronze and his Iron Crew discover that a metabolism-accelerating elixir is creating an army of superpowered criminals! This classic pulp reprint also features the original color pulp covers by Walter Baumhofer and Modest Stein, interior illustrations by Paul Orban, and historical articles by Will Murray, author of seven Doc Savage novels.