Critical threshold
They call them the "rat-catchers." They're the crew of the spaceship Daedalus, which an economically destitute Earth has dispatched on a mission to re-establish contact with its far-flung, long-lost colonies in space. Alex Alexander, the ship's biologist, together with his staff, must help solve the mysteries of human and alien ecosystems that he encounters light-years from home
eBook, English, ©2011
Wildside Press, [Rockville, Md.], ©2011