What is a radiation oncologist? What does he or she do? Meet Karen, a kid like you and me, who grew up wanting to become a professional singer. Then she discovered that singing and the science of the human body are related. She then fell in love with science and medicine and became an oncologist. Learn how Karen uses X-rays to help people with breast cancer, how she works to find ways to reduce some of the side effects that make X-ray treatments for cancer painful for some patients, and how she works to help others become doctors and scientists.The Who Me? series features inspirational biographies of scientists who young readers will be able to identify with as people like themselves. Written by the scientists themselves and co-authors from Vanderbilt University, the books are designed to help young readers understand that scientists are regular people like themselves who are excited about learning and discovering new things and who decided to work hard in school in order to create for themselves the opportunity to become scientists. As they learn the stories of these scientists, readers will also learn some basic science ideas, that are well-explained and easily understood, and be introduced to the cutting-edge science these scientists are working on today.