This text is unique in its use of group development as an organizing principle. As such, it offers readers a far more dynamic view of groups, helping them understand that group processes operate differently at different points in a group's life cycle. Grounded in theory and research, the book is written in a straightforward way with practical examples integrated throughout to hold student interest. It offers more than just an understanding of group phenomena; it also provides strategies to enhance the functioning of groups of which students/readers are a part.