E.C. Tubb 
Earth Enslaved 
Cap Kennedy Book 9

THROUGH THE TERROR TOROIDIt could have been a black hole — one of those terrifying rips in space that defy all laws. That it was artificial in origin did not make it any less deadly. Worst of all, that strange extra-galactic torus was drifting into an intersect with Earth in its orbit. The result would be devastation beyond concept.Cap Kennedy and his three companions were considered expendable in such a cause. And Cap himself volunteered to dare the impossible — to turn that cosmic hole aside.What he fell into was an adventure utterly different than anything he had expected. The novel of EARTH ENSLAVED is a real surprise package for the legion of Cap Kennedy’s followers.