chunk: Seaton is then requested by his allies Dunark and Sitar, the crown prince and prince's consort of Osnome, to repel invasion by the natives of planet 'Urvan', Osnome's neighbor; whereupon Seaton and his millionaire sponsor, Martin Crane, accompanied by their wives and Crane's valet Shiro embark in the spaceship Skylark II to obtain the necessary minerals. Near the Green System, they are attacked by the hitherto-unseen natives of the planet 'Fenachrone', whose weaponry surpasses any known to Seaton or the Osnomians. Having used the 'zone of force' at first to conceal himself, and then to destroy the Fenachrone battleship, Seaton captures a leading crew-member, who reveals (upon interrogation) that the Fenachrone intend conquest of the entire Milky Way Galaxy, and eventually of the Universe, and that a message is already in progress toward the Fenachrone capital to summon aid. Discovering that Dunark and Sitar survived the destruction of their spaceship, the Skylark II tows the remnants