Lots of Things to Know About Our World

You'll never guess what Planet Earth used to look like, which mountaintop is closest to space, how coral reefs are built from seawater and sunlight, and how many different languages you'd need to ...

You'll never guess what Planet Earth used to look like, which mountaintop is closest to space, how coral reefs are built from seawater and sunlight, and how many different languages you'd need to learn to speak to everyone in the world. All is revealed in this delightful information book, filled with quirky and surprising things to know.