A Basic Course in American Sign Language

The basic four parameters of every sign are handshape, palm orientation, location, and movement.

2 Books to purchase:

1) A Basic Course in American Sign Language

by Tom Humpries, Carol Padden, & Terrence J. O’Rourke

2) Signs for me: Basic Sign Vocabulary for Children, Parents, and Teachers

by Ben Baham & Joe Dannis