The Triumph Of Time by James Blish

In a universe on the brink of destruction, the final installment of the "Cities in Flight" series explores the ultimate fate of humanity as they grapple with the impending end of time itself. The story follows the inhabitants of the city of New York, which has been propelled into space, as they confront existential challenges and philosophical dilemmas. As they navigate through cosmic forces and encounter advanced civilizations, they must make critical decisions that will determine the survival of their species and the legacy they leave behind. The narrative weaves together themes of time, destiny, and the enduring human spirit in the face of cosmic inevitability.

Purchase from Bookshop.org