| Editorial | Futura |
|---|
| Fecha de publicación | 1984 |
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| Idioma | inglés |
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| Formato | paperback |
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| ISBN-13 | 9780860078241 |
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| ISBN-10 | 0860078248 |
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| Número de Cutter | A832b |
|---|
Part Four: 1933 - essay by Isaac Asimov The Man Who Awoke - novelette by Laurence Manning Tumithak in Shawm - novella by Charles R. Tanner Part Five: 1934 - essay by Isaac Asimov Colossus - novelette by Donald Wandrei Born of the Sun - novelette by Jack Williamson Sidewise in Time - novella by Murray Leinster Old Faithful - novelette by Raymond Z. Gallun