Final Theory

A science professor on the run must find a lost Einstein theory—and keep it from those who might use it to destroy the universe. Don’t miss the “riveting” (Publishers Weekly) doomsday thriller that Booklist calls “a strikingly sweet-natured yet satisfyingly barbed high-tech, high-stakes adventure” in a starred review.

David Swift is called to the hospital to comfort his dying mentor—a renowned scientist who’s been brutally tortured. David is shocked when the old man dies after wheezing “Ein...