
Dr. Sarah Halifax decoded the first-ever radio transmission received from aliens thirty-eight years ago. Now, a second message is received, and Sarah, now eighty-seven, may hold the key to deciphering this one, too...if she lives long enough.

Dr. Sarah Halifax decoded the first-ever radio 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 wealthy industrialist offers to pay for...

Dr. Sarah Halifax decoded the first-ever radio 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 wealthy industrialist offers to pay for...

Hugo and Nebula Award winner Rollback is "a novel to be savored by science fiction and mainstream readers alike" (Globe and Mail). Dr. Sarah Halifax earned worldwide fame for deciphering the first alien message received on Earth. Now nearing the end of her days, she learns that,...