por Pulaski, Mary Ann Spencer [autor] | Gimenez de Paz, Marta [traductor] | Pulaski, Mary Ann Spencer. Your baby's mind and how it grows.
por Annis, Linda Ferrill, 1943- [autor] | Gimenez de Paz, Marta [traductor] | Annis, Linda Ferrill, 1943-. Child before birth.