Also, A World Out of Time, by Larry Niven - where a ramjet pilot returns to earth, only to find it ruined and way too hot: http://en.wikipedia.org/wiki/A_World_

Also, A World Out of Time, by Larry Niven - where a ramjet pilot returns to earth, only to find it ruined and way too hot: http://en.wikipedia.org/wiki/A_World_Out_of_Time http://en.wikipedia.org/wiki/A_World_Out_of_Time