Jérôme Guérin’s book focuses on the social conditions of classroom learning, and in particular the effects of pupil interactions on this learning. Prefaced by Brigitte Albero and posted by Marc Durand, it is organised in three parts: the first one sets out the subject, the theoretical framework and the methodology. In the second, the author presents the results of the work of this research stream; in the third and last, he returned to questions of misunderstanding...