The Immortal Unknown (Perry Rhodan No. 13)
- Mass Market Paperback
- New York: Ace, 1972
New York: Ace, 1972. 1st Printing. Mass Market Paperback. Good. 6x4x0. First printing. Edges rubbed with minor loss from corners. 1972 Mass Market Paperback. 120 pp. Perry Rhodan and crew return to Vega to restart their final calculations to get to the Planet of Eternal Life - only to find that Vega's sun is very quickly turning into a supernova. Rhodan must hurry to get to his final destination in order to help save the citizens of Ferrol.