. . "Knack Baby Sign Language : A Step-By-Step Guide to Communicating With Your Little One" . . . . . . . "Electronic books"@en . "Baby sign language"@en . "Baby sign language" . . . . . "<DIV><FONT face=\"\"Times New Roman\"\"><DIV>Few children can communicate effectively before eighteen months of age, but sign language can allow baby and parent to reduce the frustration up to a year earlier. With more than 450 full-color photos, text, and sidebars, <I>Knack Baby Sign Language</I> provides a user-friendly, efficient method to learn and teach a baby sign language.</DIV></FONT></DIV>"@en . . . "Knack baby sign language : a step-by-step guide to communicating with your little one"@en . "Knack baby sign language : a step-by-step guide to communicating with your little one" . . . . . "Interpersonal communication in infants Study and teaching." . . "American Sign Language Study and teaching." . . "Infants Language." . . "Nonverbal communication Study and teaching." . . "Sign language." . . "Nonverbal communication in infants Study and teaching." . . . . "Sign language Study and teaching." . .