These three volumes build on Volumes 1-3, which focused on operations management concepts and strategy, design of operations systems, and operations planning and control. They consider more specific aspects of Operations Management, including technology, important issues arising from the global business perspective and key concepts relating to innovation, knowledge management and improving the operations system. It includes papers on the following key areas - Volume 4: Technology and Operations Management; Volume 5: International Operations, Networks and the Environmental Context; and, Volume 6: Innovation, Knowledge and Operations Improvement.