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Professor Gamma

The Planet Of Death by Geoffrey Hoyle, Fred Hoyle

The Planet Of Death

Professor Gamma

Geoffrey Hoyle, Fred Hoyle

51 pages • hardcover • 1982

fiction science fiction young adult adventurous dark mysterious medium-paced
The Giants of Universal Park by Geoffrey Hoyle, Fred Hoyle

The Giants of Universal Park

Professor Gamma

Geoffrey Hoyle, Fred Hoyle

52 pages • 1982

adventurous lighthearted medium-paced