num_pages: 140
description: Virtually the only connecting links between the innumerable colonized planets were the Med Shipslone starships carrying only one man and one beast. These trained teams of super-medical engineers took their lives in their hands on every planetfall. And for the team of Calhoun and Murgatroyd three calls for help meant three challenges beyond all the experiences of all their systems.Plague mystery and menace marked the missionsand the human enemies they faced on each world were just as virulent as the microscopic ones.
language: English
title: S.O.S. from Three Worlds
publisher: Ace Books