Modern technology offers more ways than ever to find and diagnose problems in the body. This series highlights several groundbreaking innovations and inventions, as well as the science behind them. Learn about the tools and technology that help doctors find and diagnose problems with the heart. Easy-to-read text is paired with informative sidebars, a "That's Amazing!" special feature, a table of contents, quiz questions, a glossary, additional resources, and an index. AGES: 8 to 11 Hardcover Reinforced Library Binding