Do Penguins Have Knees?: An Imponderables Book

The fifth book in David Feldman’s bestselling Imponderables® series, packed with even more answers to perplexing questions and solutions to everyday mysteries

Culled from the thousands of letters submitted by desperate fans, Do Penguins Have Knees?, a hilarious collection of fun facts, answers 100 new and even more perplexing questions about food, popular culture, the human body, science, and more, such as:

• Why are the oceans salty?
• Why is Rhode Island called an island when it obviously isn'...