<p>The first working submarine was built in 1620.</p> <p>Some of today's most fascinating careers revolve around the fields of science, technology, engineering, and math (STEM) . With this exciting series, readers can get a close look at how people in these careers are helping to build our future. They will also discover how workers have used STEM skills to solve problems and innovate throughout history.</p> <p>Key Features:</p> Diagrams, graphs, and charts help to clarify complex subjects Unique visual design draws readers in and encourages them to invest Interviews with real-life workers give readers an up-close look at their jobs Helpful statistics assist readers in planning their future careers www.factsfornow.scholastic.com See inside front cover for more information.
