While learning a new language isn't a “knack” for everyone, Knack American Sign Language finally makes it easy. The clear layout, succinct information, and topic-specific sign language partnered with high-quality photos enable quick learning. By a “bilingual” author whose parents were both deaf, and photographed by a design professor at the leading deaf university, Gallaudet, it covers all the basic building blocks of communication. It does so with a view to each reader's reason for learning, whether teaching a toddler basic signs or communicating with a deaf coworker.