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In all the universe, no species has ever reached for the stars without the guidance of a patron — except perhaps mankind. Did some mysterious race begin the uplift of humanity aeons ago? And if so, why did they abandon us?
Under the caverns of Mercury, Expedition Sundiver prepares for the most momentous voyage in our history, a journey into the boiling inferno of the sun... to seek our destiny in the cosmic order of life.
SUNDIVER is the first book in the Uplift series — and also David Brin's first published novel and nominee for the 1981 Locus Award in the First Novel Category.