London: Bantam Press, 1988. First edition of Hawking’s groundbreaking work. Octavo, original cloth, illustrated by Ron Miller. Presentation copy, signed by Stephen Hawking on the title page with his thumbprint, "For John Simpson, this unique signature has been printed by Stephen Hawking." Fine in a fine dust jacket. Author photograph by David Gamble. First printings are exceptionally rare and desirable signed. A landmark volume in science writing by one of the great minds of our time, Stephen Hawking’s book explores such profound questions as: How did the universe begin—and what made its start possible? Does time always flow forward? Is the universe unending—or are there boundaries? “[Hawking] can explain the complexities of cosmological physics with an engaging combination of clarity and wit. . . . His is a brain of extraordinary power" (The New York Review of Books).