> "The subject of this book is the structure of space-time on length-scales from 10-13cm, the radius of an elementary particle, up to 1028cm, the radius of the universe."

Well, it looks more like 41 is the answer to life, the universe, and everything than 42.

Edit: Well, it appears I was mistaken. I forgot to count 10^0 cm. The answer is 42. :-)