From the No. 1 bestselling author of What If? - the man who created xkcd and explained the laws of science with cartoons - comes a series of brilliantly simple diagrams ('blueprints' if you want to be complicated about it) that show how important things work: from the nuclear bomb to the biro. From Randall Munroe, the No.1 bestselling author of What If? - the man who created xkcd and explained the laws of science with cartoons - comes a series of brilliantly - and simply - annotated blueprints that explain everything from the nuclear bomb to the biro. Reliably amusing and often enlightening