CONTENTS:On Venus: The Obligation - Roger DeeOn Mars: The Sound of Bugles - Robert Moore WilliamsOn a Planet of Sigma Draconis: Ogre - Clifford D. SimakOn a World in the "Bornik" Star Cluster: Assignment on Pasik - Murray LeinsterOn Laertes III, Near Andromeda: The Rull - A.E. Van Vogtits a 160 pages from the golden age. reader get to jump planet to planet when there was an universe full of adventure. classic star trek material.many of these stories remain uncollected elsewhere.