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Winner of the Hugo Award - The future of Earth will rely upon one man's sense of right and wrong. . . . Father Ruiz-Sanchez is a dedicated man--a priest who is also a scientist, and a scientist who is also a human being. He has found no insoluble conflicts in his beliefs or his... Read Full Overview

Father Ruiz-Sanchez is a dedicated man--a priest who is also a scientist, and a scientist who is also a human being. He has found no insoluble conflicts in his beliefs or his ethics . . . until he is sent to Lithia. There he comes upon a race of aliens who are admirable in every... Read Full Overview

Father Ruiz-Sanchez is a dedicated man--a priest who is also a scientist, and a scientist who is also a human being. He has found no insoluble conflicts in his beliefs or his ethics . . . until he is sent to Lithia. There he comes upon a race of aliens who are admirable in every... Read Full Overview

The sin of reason... Father Ruiz-Sanchez was a dedicated man--a priest who was also a scientist, and a scientist who was also a human being. He found no insoluble conflicts in his beliefs or his ethics until he was sent to Lithia. There he came upon a race of aliens--reptilian... Read Full Overview

The sin of reason... Father Ruiz-Sanchez was a dedicated man--a priest who was also a scientist, and a scientist who was also a human being. He found no insoluble conflicts in his beliefs or his ethics until he was sent to Lithia. There he came upon a race of aliens--reptilian... Read Full Overview

The sin of reason... Father Ruiz-Sanchez was a dedicated man--a priest who was also a scientist, and a scientist who was also a human being. He found no insoluble conflicts in his beliefs or his ethics until he was sent to Lithia. There he came upon a race of aliens--reptilian... Read Full Overview