Peruse the shelves for some recent additions such as: "Adolescent Risk Behaviors: Why Teens Experiment and Strategies to Keep Them Safe," where the authors examine how healthy relationships can help teens avoid risky behaviors and "The World Without Us," in which Alan Weisman speculates about what would happen to Earth if the human presence was removed. To see other new titles, go to: http://www.shelfari.com/ncclibrary/shelf.