Why does a curveball curve? Why is it sometimes better to slide into a base than to run to it? How can baseball players avoid common injuries? As readers discover the science behind baseball, they find the answers to these and many more questions about the sport that's often called America's pastime. Fun fact boxes, informative sidebars, and action-packed photographs give readers an exciting look at the way common areas of science are applied in baseball games, from the backyard to the big leagues. This fresh look at STEM, science, technology, engineering, and math, is sure to captivate readers.