PPlanet NightmarePlanet Nightmarede Murray LeinsterEdiciones (1)Planet Nightmare (2018)Positronic Publishing · ISBN 9781515421108Más obras de Murray LeinsterWWorks of Murray Leinster (21 books and Stories)Works of Murray Leinster (21 books and Stories)UUltimate Science Fiction Anthology (33 Books)Ultimate Science Fiction Anthology (33 Books)AALIENS Stories (15 book Sci-Fi Collection)ALIENS Stories (15 book Sci-Fi Collection)