by Ault, Kelly.

[ 01. English Non Fiction ] Authors: Landry, Leo. Published by : Houghton Mifflin, (Boston :) Physical details: 77 p. : ill. (chiefly col.) Subject(s): Nonverbal communication in infants. | Interpersonal communication in infants. | Nonverbal communication in children. | Interpersonal communication in children. | Sign language. | American Sign Language. | American Sign Language --Study and teaching (Early childhood) | Infants --Language. | Sign language acquisition. Year : 2005 Item type : 01. English Non Fiction