Perry Rhodan 10 The Ghosts of Gol Author:Kurt Mahr Ace Books (c) 1971 — Publication date 1971 — To a being who is obviously immortal, what does the concept "soon imply? — Perry Rhodan has no way to know. — When Rhodan risked a time-trip into the perilous past of the planet Ferrol, he received another message from the unknown challenger. But the message from the Game Master contained no clue as to ho... more »w long it would be before Perry would have to submit to another test in order to discover the secret of eternal life.
Yet Rhodan, Head of the New Power, knows that when the new test comes, all his past adventures will pale beside it. The risks are getting to great for the Arkonides, who are unwillingly involved in Rhodan's search, but Perry remains determined to see it through, this game of life eternal or mortal death.
When the Unknown makes the new test know, the goal is a new planet and there Perry and his people encounter... The Ghosts of Gol.« less