Book excerpt: Discover the amazing world that lies just beneath the surface! 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.