The Lessons in SignWriting Textbook, written by SignWriting inventor Valerie Sutton, is a 220-page 15-chapter, perfect-bound, paper-cover book written first in 1990, and expanded to a full reference book in 2002, then updated in 2014. The examples in the book are written in American Sign Language, with illustrations and short explanations in English. The 15 chapters teach how to write the movements of any sign language step by step. The 15 chapters are: 1. Introduction to SignWriting, 2. Viewpoints (choosing to write from the Expressive point of view), 3. Handshapes, 4. Contact Symbols, 5. Finger Movement, 6. Straight Arm Movement, 7. Curved Movement, 8. Axial Movement (Arm Rotation and Wrist Movement), 9. Circular Movement, 10. Facial Expressions, 11. Head Movement, 12. Movement of the Body and Torso, 13. Movement Dynamics and Timing, 14. Punctuation for Sign Sentences, 15. Writing Signs & Sign Literature.