(Paperback)

In the middle of the 6th century, the Yersinia pestis, the bacterium that carries bubonic plague, collided with the world's mightiest empire. With the death of 25 million people, the Roman Empire, under her last great emperor, Justinian, was decimated. This book tells the story of that collision.

(Paperback)

(Paperback)

A history of the Industrial Revolution and the steam engine, as well as an account of how inventors first came to own and profit from their ideas and how invention itself springs forth from logic and imagination. It takes us into the human mind, explaining how 'eureka' moments occur - when the brain is most relaxed.

(Paperback)