John Brunner 
Psionic Menace [EPUB ebook] 

MUST THE UNIVERSE DIE WITH THEM?The Starfolk, arrogant masters of vast stretches of the cosmos beyond the Earth’s sphere of influence, were determined to complete the extermination of the mind-reading mutants of Regnier’s planet.But to the mutants themselves, the terror of the Starfolk was nothing compared to the greater dread that gripped their spirits – the obsession that the universe itself was doomed. This obsession ripped into their minds, overwhelmed them, and plunged them into horrifying hysteria.The message of room reached the ears of the Starfolk themselves, forcing the to a fateful decision. They would allow an Earthman, archeologist Philip Gascon, to visit Regnier in an attempt to unravel its secrets. What he found would either contain the key to the ultimate destiny of the universe – or the date of the doomsday.