Condition of the lot: Good (just a few signs of use)
Cosmos. Carl Sagan. Tapa Dura 365 pag.en 2 Tomos. 20.5x26 cm. Planeta
El Cometa.Carl Sagan. Ann Druyan. Tapa Dura 400 pag.en 2 Tomos. 20.5x26 cm. Planeta 1985
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