Little scientists often ask very big questions! In this case, the big questions are all about what certain people do at their jobs—all of which require some knowledge or application of STEM subjects. From a dentist’s understanding of biology to the technology used by a crane operator, young readers discover the different ways people use science, technology, engineering, and math at work. This important introduction to science careers is presented in a captivating way, with achievable text and a colorful design featuring little illustrated scientists that guide readers through the answers to some big questions.