David Brin — Earth

Macdonald 1990 First Edition First Printing - Issued Simultaneously . Slightly bumped at top and base of spine, short tear to spine paper else Fine Uncorrected Proof in creased Dust Jacket, with a short tear to the lower edge of the rear flap With Publisher's letter to the reviewer and promotion sheet with some notes toward. ''It's fifty years from tomorrow, and a black hole has accidentally fallen into the Earth's core... ''