Elizabeth Krajnik 
Twisted by Tornadoes [PDF ebook] 

Whenever a twister catches the eye, a feeling of foreboding sets into the beholder. Tornadoes are some of the most dangerous forces of nature on Earth. With winds that swirl at up to 300 miles per hour, these incredible storms can destroy whatever is in their path. In this exciting, fact-filled book, students will learn how scientists predict and measure tornadoes. Readers will learn how people prepare for tornadoes and how they stay safe during and after one of these powerful storms hits. Amazing photographs highlight the beauty and danger of tornadoes and STEM topics are featured throughout.