A sky full of death awaited Dusty Ayres, superace of the U.S. air defense, when he soared forth to accept the challenge of the Black Hawk, merciless angel of terror of the tyrant Fire Eyes. All Dusty’s steel-nerved aerobatic skill… all the miraculous advancement of his screaming Silver Flash II seemed pitifully futile before the power and subtle cunning the Black Invaders now marshaled against the free world’s stronghold. Could one man dispel the looming purple cloud of doom that darkened the nation’s skies?