The Master Mind of Mars — © Edgar Rice Burroughs, 1928 — © Éditions Doubleday SF Book Club, 1973 — © Illustration intérieure Frank Frazetta, 1973
The Master Mind of Mars — © Edgar Rice Burroughs, 1928 — © Éditions Doubleday SF Book Club, 1973 — © Illustration intérieure Frank Frazetta, 1973