Paula Polk Lillard and Lynn Lillard Jessen. The authors provide parental guidance for the establishment of an environment to aid in the development of focus and concentration.• 259 pp, soft cover, 2003 edition.
Data sheet
- Longueur
- 20.5 cm
- Largeur
- 13 cm
- Hauteur
- 2 cm
- Poids
- 200 g