Discover why soil is an important resource in this photo-filled nonfiction book for budding young scientists. What's so great about soil? A lot, actually! In this Pebble Explore book, discover how this often overlooked—or even annoying—part of nature is essential to our world. We need soil to grow crops and construct buildings and roads. Soil is even important to the air we breathe! With eye-popping photographs, quick facts, and beyond-the-book back matter, Why Do We Need Soil? will have young researchers and science fans exploring more about the NATURE WE NEED. More Nature We Need: Why Do We Need Bats? Why Do We Need Bees? Why Do We Need Poop? Why Do We Need Rain? Why Do We Need Trees?