The purpose of the Second Edition of Interdisciplinary Research: Process and Theory is to reflect the substantial research on all aspects of interdisciplinarity that has been published since the appearance of the First Edition in 2008. How to do interdisciplinary research is no longer the neglected topic that it once was. This book also reflects feedback from faculty and students who have used the first edition. As in the previous edition, the goal is to provide a comprehensive and systematic presentation of the interdisciplinary research process and the theory that informs it for not only students, but also for individual mature scholars and interdisciplinary teams. The book emphasizes the relationship between theory, research, and practice in an orderly framework so that the reader can more easily understand the nature of the interdisciplinary research process.