The End of EternityIsaac Asimov
Andrew Harlan is an Eternal, a man whose job it is to range through past and present Centuries, monitoring and, where necessary, altering Time's myriad cause and effect relationships. But when Harlan meets and falls for a non Eternal woman, he seeks to use the awesome powers and techniques of the Eternals to twist time for his own purposes, so that he and his love can survive together.
Isaac Asimov (born Isaac Yudovich Ozimov, 1920–1992), was an American author and professor of biochemistry at Boston University, best known for his works of science fiction and for his popular science books. Asimov was one of the most prolific writers of all time, having written or edited about 500 books and over 9,000 letters and postcards. His works have been published in nine of the ten major categories of the Dewey Decimal System (the sole exception being the 100s: philosophy and psychology).
Isaac Asimov is widely considered a master of the science-fiction genre and, along with Robert A. Heinlein and Arthur C. Clarke, he was considered one of the "Big Three" science-fiction writers during his lifetime. Asimov's most famous