Hundreds of fascinating facts are waiting to be unearthed in this latest book from Aleksandra Mizielinska and Daniel Mizielinski, the creative duo behind the best-selling Maps. Dive below the surface and find out what happens under earth and under sea--from early submarines and deep-sea life to burrowing animals and man-made tunnels. You will never look at the world in the same way again! Gorgeous design and quirky illustrations make this a book to be pored over again and again.