1. Introduction; Part I. Co-operative Accumulative Action: 2. Co-operative accumulation as a pervasive feature of the organization of action; 3. The co-operative organization of emerging action; 4. Chil and his resources; 5. Building complex meaning and action with a three word vocabulary: inhabiting and reshaping the actions of others through accumulative transformation; 6. The distributed speaker; Part II.

Intertwined Semiosis: 7. Intertwined knowing; 8. Building action by combining different kinds of materials; 9. Intertwined actors; 10. Projection and the interactive organization of unfolding experience; 11. Projecting upcoming events to accomplish co-operative action; Part III. Embodied Interaction: 12. Action and co-operative embodiment in girls' hopscotch; 13.

Practices of color classification; 14. Creating professional vision co-operatively; 15. Environmentally coupled gestures; Part IV. Co-operative Action with Predecessors: Sedimented Landscapes for Knowledge and Action: 16. Co-operative action with predecessors; 17. The accumulation of diversity through co-operative action; 18. Seeing in depth; 19. Co-operative action as the source of, and solution to, the task faced by every community of creating new, culturally competent members with specific forms of knowledge and skill; Part V.

Professional Vision, Transforming Sensory Experience into Types, and the Creation of Competent Inhabitants: 20. The emergence of conventionalized signs within the natural world; 21. Calibrating experience and knowledge by touching the world; 22. The blackness of black: color categories as situated practice; 23. Environmentally coupled gestures and the social calibration of professional vision; 24. Professional vision; 25. Conclusion.