Joe Haldeman

The Earth's leaders have drawn a line in the interstellar sand—despite the fact that the fierce alien enemy they would oppose is inscrutable, unconquerable, and very far away. A reluctant conscript drafted into an elite Military unit, Private William Mandella has been propelled through space and time to fight in the …

World Without End is a Star Trek novel, written in 1979 by Joe Haldeman.