Colossus D.F. Jones Colossus D.F. Jones · 1966 First published 33 years earlier Save Continue from here
Lucifer's Hammer Larry Niven Lucifer's Hammer Larry Niven, Jerry Pournelle · 1983 First published 16 years earlier Save Continue from here
Tomorrow! Philip Wylie Tomorrow! Philip Wylie · 1954 First published 45 years earlier Save Continue from here
The Death of Grass John Christopher The Death of Grass John Christopher · 1982 First published 17 years earlier Save Continue from here
