This inspiring series looks at innovative entrepreneurs in fields related to science and technology. These risk takers and problem solvers have created businesses that provide high-tech goods and services. Through case studies, highly engaging photographs, and well-crafted text, readers will learn about real entrepreneurs and their creations, and how they built their business ventures. A learner-centered research project in each title encourages readers to use the principles of entrepreneurship to come up with their own idea for a high-tech start-up. Innovations by entrepreneurs in the medical field have saved lives and changed many others for the better. With bright ideas such as stem-cell research and affordable prosthetics, medical entrepreneurs use science and technology to improve health care and make it widely available. Detailed case studies of successful entrepreneurs and a hands-on project help readers understand the principles of entrepreneurship.