In this monograph, Isabelle Robin presents the journey—both existential and educational—of Nicolas, a boy life hasn’t spared, yet who grows, faces difficult situations, and finds in the classroom a place of refuge, and at times, support for his young life.
Nicolas’ pebbles

References
BIALAS Marguerite, (1992). Les cailloux de Nicolas. Dans R. Laffitte (Ed.), Mémento de pédagogie institutionnelle (pp. 281- 289). Éditions Champ Social.