The earth-and everything on it-needs water. But lately, it's been unusually sunny, warm, and dry. The weather anchor announces that your area is experiencing a drought! Where do droughts happen? How do we know that we are in a drought? Why is rainfall important? Do droughts just affect people? Can scientists keep track of rainfall? Read and find out! This book is full of activities, like how to measure rainfall, how to visualize how much of the world's water is freshwater, and how to create a cloud in a jar. It's also full of graphic features perfect for visual learners, like a diagram of the water cycle, and rich vocabulary bolded throughout the text, with a glossary. This is a Level 2 Let's-Read-and-Find-Out Science title, which means the book explores more challenging concepts for children in the primary grades and supports the Common Core Learning Standards, Next Generation Science Standards, and the Science, Technology, Engineering, and Math (STEM) standards. Let's-Read-and-Find-Out is the winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series.