A heart-stopping thriller set in nineteenth-century Boston - a city threatened by a madman hell-bent on destruction.

THE TECHNOLOGISTS combines everything I love in a thriller: fascinating history, science, and a frightening mystery that demands to be solved. Matthew Pearl is one of my must-read authors. He never fails to intrigue and thrill -- Tess Gerritsen An ingenious, sometimes terrifying, historical thriller Independent Pearl takes an unusual subject for a thriller and seamlessly weaves historical research and his own inventions into a satisfying story Sunday Times Vivid.frightening. The Technologists is a marvel Washington Post The social background is intriguing ... recommended -- John O'Connell Guardian

Matthew Pearl is the internationally bestselling author of The Dante Club, published in more than thirty languages and forty countries, The Poe Shadow and, most recently, The Last Dickens. Pearl is a graduate of Harvard University and Yale Law School and has taught literature at Harvard and at Emerson College.