Cognitive Technology: Instruments of Mind : 4th International Conference CT 2001 Coventry UK August 6–9 2001 Proceedings This book constiutes the reviewed proceedings of the 4th International Conference on Cognitive Technology CT 2001 helds in Warwick UK in August 2001. The 36 revised full papers presented together with six invited papers were carefully reviewed and selected for inclusion in the book. The book offers topical sections on designing artefacts cognition in robotic and virtual environments presence in virtual environments human activity and humnan computing computing and people education in cognition learning narrative and story telling interfaces cognitive dimensions human work and communities and human technology relationship