Why Spacemen Can't Burp

The latest collection of terrific trivia from the author of That Book of Perfectly Useless Information

Can rocks have snot? Why do doughnuts have holes in the middle? Could a human child ever be raised by animals? What do hyenas have to laugh about? And why is it impossible to belch after blast-off?! This hilarious book contains the answers to these incredible questions and more that will boggle your brain.