"In the tradition of The Emperor of All Maladies and The Noonday Demon, a moving, eye-opening exploration of PTSD. Just as polio loomed over the 1950s, and AIDS stalked the 1980s and '90s, posttraumatic stress disorder haunts us in the early years of the twenty-first century. Over a decade into the United States' "global war on terror," PTSD afflicts as many as 30 percent of the conflict's veterans. But the disorder's reach extends far beyond the...