Knack Baby Sign Language: A Step-by-Step Guide to Communicating with Your Little One (Knack: Make It easy)

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, Knack Baby Sign Language provides a user-friendly, efficient method to learn and teach a baby sign language.