Michael J. Rosen 
Mind-Boggling Numbers 

If you could hike to the moon, how long would it take? Just how many glasses of lemonade would you need to fill an Olympic-size swimming pool? If everyone on Earth owned exactly the same amount of land, how big would your yard be? And how much time would you spend mowing the lawn?Learn the math behind these questions in this hilarious romp through weight, volume, distance, and more. These 12 zany scenarios add up to a book full of fun!