All the deaths are suspicious. Each of these technological wizards – they've been murdered. In 1908, detective Isaac Bell discovers a plot to destroy America's brightest minds, and the murders all connect to a top-secret project called Hull 44. Bell realizes that more than the future of his country is at stake: it's the fate of the world. Third in the series. "A fine thriller, rich in character, period detail, and suspense."—Booklist