The Cloud of Unknowing

David Sears grew up in the shadow of his brilliant younger sister, Diana, convinced by their father that she would accomplish great things. Instead, she married and had a son, Jason, who-like David and Diana's father-is schizophrenic. Her husband, Mark, a geneticist, never made peace with Jason's condition.

The New York Times - Marilyn Stasio

Although Cook is maddeningly coy about who actually killed whom, he writes eloquently about the fears that lead people to equate intelligence with madness, suppressing the imagination and taking refuge in mediocrity.

THOMAS H. COOK was born in Fort Payne, Alabama. He has been nominated for Edgar Awards seven times in five different categories. He received the Best Novel Edgar, the Barry for Best Novel, and has been nominated for numerous other awards.