Conceptual Physics with MasteringPhysics, Twelfth Edition Paul Hewitt integrates a compelling text and the most advanced media to make physics interesting, understandable, and relevant for non-science majors. The Twelfth Edition will delight you with informative and fun Hewitt-Drew-It screencasts, updated content, applications, and new learning activities in MasteringPhysics. ewitt’s text is guided by the principle of "concepts before calculations" is famous for engaging students with analogies and imagery from the real-world that build a strong conceptual understanding of physical principles ranging from classical mechanics to modern physics.