The first published novel by one of England's greatest ever SF writers

'Brilliant ... a classic' Encyclopedia of Science Fiction

Curiosity was discouraged in the Greene tribe. Its members lived out their lives in cramped Quarters, hacking away at the encroaching ponics. As to where they were - that was forgotten.

When Roy Complain loses his wife, he decides to find out. With the renegade priest Marapper, he moves into unmapped territory, where they make a series of discoveries which turn their universe upside-down. Is their world really a world at all, or just a container moving between worlds...?

NON-STOP is the classic SF novel of discovery and exploration. 'Fascinating' Observer