Detective Michael Bennett is on the trail of a deadly killer who is terrorising New York in this Sunday Times No. 1 bestseller. A man who calls himself 'the Teacher' is devising a meticulous plan. Cold-hearted and cunning, it is time for everyone to learn his name as he teaches New York a lesson it will never forget. Intent on exacting revenge and causing mass hysteria, he embarks on the worst killing spree the city has ever seen. The whole New York Police Department is tested to its limits; none more so than Detective Michael Bennett as the Teacher leads him on a terrifying chase that brings danger perilously close to home.