" How to Invent Everything is such a cool book. and then broke? How would you survive? Could you imp. . .
It\'s essential reading for anyone who needs to duplicate an industrial civilization quickly." --Randall Munroe, xkcd creator and New York Times -bestselling author of What If? The only book you need if you\'re going back in Time What would you do if a Time machine hurled you thousands of years into the past. " How to Invent Everything is such a cool book