The integration of agents and SOC is a broad and active research area. This book is a collection of chapters from experts in the field, that gives an overview of the state-of-the-art in the main areas of current research, and identifies likely future directions. Researchers, students and practitioners will find this book a useful insight into the current state-of-the-art. The book also includes a general introduction the basic notions of SOC for readers who are unfamiliar with the approach.