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6 hours, 11 minutes first pub 1956 (editions)

fiction science fiction adventurous challenging slow-paced
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240 pages first pub 1956 (editions)

fiction science fiction adventurous challenging slow-paced

292 pages first pub 1956 (editions)

fiction science fiction adventurous challenging slow-paced

158 pages first pub 1965 (editions) user-added

fiction science fiction