Baker, M., Andriessen, J. & Järvelä, S. (2013) (Eds.). Affective learning together. Social and Emotional dimension of collaborative learning. Routledge.

http://www.routledge.com/books/details/9780415696883/

Involving a chapter:

Järvenoja, H. & Järvelä, S (2013). Regulating emotions together. In M. Baker, J. Andriessen & S. Järvelä (Eds.). Affective learning together. Social and emotional dimensions of collaborative learning. Routledge.