"Nonverbal communication." . . . . . . . . . . . . . . . . . . "Baby signs : a baby-sized guide to speaking with sign language" . "Juvenile works" . "Juvenile works"@en . . "Teaches thirteen signs for babies, including mommy, daddy, dog, book, and sleepy." . . "Baby signs a baby-sized guide to speaking with sign language"@en . . "Board books Juvenile." . . "Nonverbal communication Juvenile literature." . . "Sign language Juvenile literature." . . . . "Nonverbal communication in infants." . . "On board pages." . .