"I don't suspect anyone, and that's my worst worry. I should suspect someone, so why don't I? What I do have is a sense that I'm missing something right under my nose ..." It is 1965, and in Holloman, Connecticut, someone is preying on the innocent. At the "Hug", a prestigious research centre for the neurosciences, parts of a body are discovered. Soon Lieutenant Carmine Delmonico of the Holloman Police learns of a string of horrifying disappearances throughout the state. Then another body is found ...With the Hug's hierarchies of power in turmoil, Delmonico delves into the lives and pasts of every Hugger. It is the case of his career, and he is determined to solve it. But how do you find a monster who leaves no clues and is two steps ahead? "As an artful storyteller, McCullough has more than a few tricks up her sleeve" SYDNEY MORNING HERALD "McCullough portrays one of the creepiest serial killers in recent fiction in this intelligent shocker" PUBLISHERS WEEKLY "McCullough's novels are notable for their detailed research and social accuracy -- even while wild tales swirl around them -- and ON, OFF is no exception" DAILY TELEGRAPH