Do penguins have emotions?: World Book answers your questions about the oceans and what's in them

What's the biggest shark? What's the smallest shark? Why do sharks have rough skin? We at World Book answer all of your oceanrelated questions-and not only questions about sharks. Answer Me This, World Book answers questions about such topics as technology, outer space, and pets, too. We help you make sense of the world with informative and funny answers. Well . . . at least we think they are funny.