This volume focuses on SoTL, the scholarship of teaching and learning. It discusses how collaborations among and between disciplines can strengthen education and the ways in which students are taught. The community of scholars at an institution can provide a fertile ground for interdisciplinary collaboration that can enliven the educational process and the research that supports it. The authors here come from many different disciplines where they teach and use SoTL to inform their own practice and share what they have done with others. This is the 139th volume of the quarterly Jossey-Bass higher education series New Directions for Teaching and Learning. It offers a comprehensive range of ideas and techniques for improving college teaching based on the experience of seasoned instructors and the latest findings of educational and psychological researchers.