What causes thunder and lightning? How do different clouds form? What makes a tornado twist? Kids will discover the answers to these questions and more in this colorful, photo-packed book. In this inviting and entertaining format, kids will discover what causes the weather they experience every day. This level 1 reader is written in an easy-to-grasp style to encourage the meteorologists of tomorrow!

In her 16 years of writing for young readers, KRISTIN BAIRD RATTINI has explored subjects ranging from Star Wars to Stonehenge, from funny money facts to amazing animal pals. She's a frequent contributor to National Geographic Kids magazine.