State of mind

"A professor of abnormal psychology, Jeffrey Clayton struggles with a dark past. Twenty-five years before, Jeffrey and his mother and sister fled his tyrannical father - a man who was later suspected in the heinous murder of a young student. Though the father was never charged, he committed suicide. Or so it seemed."--BOOK JACKET. "Since then Jeffrey's mother and his sister, Susan, have concealed themselves in the remote tangled swamps of the Upp...