He also composed a soundtrack to the book called Space Jazz .
Battlefield Earth : A Saga of the Year 3000 is a 1982 science fiction novel written by L. Ron Hubbard , founder of Scientology .
L. Ron Hubbard also composed a soundtrack to the book called Space Jazz .
Battlefield Earth : A Saga of the Year 3000 is a 1982 science fiction novel written by L. Ron Hubbard , founder of Scientology .