2061: A Space Odyssey (Space Odyssey, book 3) by Arthur C Clarke

2061: A Space Odyssey
(The third book in the Space Odyssey series)

A novel by
Arthur C Clarke

Fifty years after the alien message forbidding humans to approach the moon Europa, an expedition to Halley's Comet is forced to violate the prohibition in the name of mercy. Though lacking the lyrical prose of The Songs of Distant Earth , Clarke's latest addition to the story begun in 2001: a space odyssey will entertain fans of the "black monolith." For large sf collections.