“There are books that explain, and books that illuminate. And then there are the rare books—this one among them—that do both with equal grace. Rob Brown, physician, radiologist, scientist, and lifelong student of the invisible forces that animate our world, has crafted a work that bridges the gap between the seen and the unseen, between what we believe we understand and what our biology has not yet fully revealed.”

— Devra Lee Davis, Ph.D., MPH