Engineers design our modern world. They combine science and technology to create incredible vehicles, structures, and objects. This title examines amazing feats of biological engineering. Engaging text explores bionic legs, artificial organs, and animal cloning. It also examines the engineers who made these projects a reality and traces the history of the discipline. Relevant sidebars, stunning photos, and a glossary aid readers' understanding of the topic. A hands-on project and career-planning chart give readers a sense of what it takes to become an engineer. Additional features include a table of contents, a selected bibliography, source notes, and an index, plus essential facts about each featured feat of engineering. Aligned to Common Core standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.