Big machines are a high-interest topic for young readers, and they learn what it takes to operate one in this creative look at a cool science career. A crane operator needs to have a strong understanding of STEM, and readers develop their STEM knowledge with some help from a cute collection of illustrated characters. The charming illustrations are presented alongside full-color photographs of cranes and their operators at work. As readers explore big questions about science, they learn the importance of curiosity and develop a deeper appreciation for the people they see hard at work around them every day.