Rollback

"Rollback gets my vote as SF novel of the year. A joy to read." —Jack McDevitt

Canadian radio astronomer Dr. Sarah Halifax decoded the first-ever transmission received from aliens. Thirty-eight years later, a second message is received—and Sarah, now 87, may hold the key to deciphering this one, too ... if she lives long enough.

A tech billionaire offers to pay for Sarah to have a rollback—a hugely expensive experimental rejuvenation procedure. She accepts on condition that Don, her husband o...