Book excerpt: Leave no stone unturned with Andy Hirsch's Science Comics: Rocks and Minerals, the latest volume in First Second’s action-packed nonfiction graphic novel series for middle-grade readers! In this volume, join a crystal-crazy fanboy and a famous rock hunter on a geological journey that will take them to the summit of a volcano, deep within the earth, and even into outer space! They'll learn about the unstoppable forces that shape our planet and they might even pick up a gemstone or meteorite along the way. Every volume of Science Comics offers a complete introduction to a particular topic—dinosaurs, the solar system, volcanoes, bats, robots, and more! Whether you're a fourth grader doing a natural science unit at school or a thirty-year-old with a secret passion for airplanes, these graphic novels are for you!