4th and final edition! Larger print for easier reading and reference!Note #1 The 3rd edition will remain in print for those who prefer that format and content.Note #2 There is a table of contents listing all of the sensory signals in the book. You can preview this list using the "read sample" button. This handbook includes 205 common sensory signals, with a brief explanation and practical ways to help!A sensory signal is a hint, clue, or indicator given by a child's behavior or reaction to the environment. This includes a child's reaction to social interaction or communication. When one understands a child's sensory signals, it becomes more natural and clearer as to how to enrich the environment with the right sensory tools and strategies. This reference handbook is intended to support and guide you in understanding your child's sensory differences and needs.