A Mirror for Observers by Edgar Pangborn 1958 Dell D246 Paperback

A Mirror for Observers by Edgar Pangborn 1958 Dell D246 Paperback Originally published in 1954, Pangborn’s novel won the International Fantasy Award in 1955. Two factions of Martians, exiles who have hidden in underground cities on the Earth for thousands of years, try to influence a young human who may have the power to save or destroy the world.