The Black Book. A guide to humanity’s hidden inventions

The Black Book is a lavishly hand-illustrated, engagingly written history of real inventions that might have changed the world but, for various reasons, never caught on. Steam-powered jetpacks, robotic arms to help around the house, a pneumotube to mail a cat… What would our world look like if these inventions had made history? And what the heck were they, anyway? Find out in The Black Book!