Earth's last fortress ; and, The three eyes of evil
Van Vogt, A. E.(Alfred Elton),1912-2000.
Van Vogt, A. E.(Alfred Elton),1912-2000.Three eyes of devil.
London Sphere
1977
'Earth's last fortress ; and, The three eyes of evil' originally published: in 1 vol. as 'The three eyes of evil ; and, Earth's last fortress', London : Sidgwick and Jackson, 1973. 'Earth's last fortress' originally published: New York : Ace Books, 1960
'Three eyes of evil' originally published: as 'Siege of the unseen', New York : Ace Books, 1959