This bestselling manual provides educators and speech-language pathologists with a step-by-step guide to implementing the Picture Exchange Communication System (PECS). PECS is a widely used communication system for individuals with speech and language disorders, including those with autism spectrum disorder. The manual includes detailed instructions for teaching students to use PECS, as well as tips for troubleshooting and expanding communication skills. With its practical approach and user-friendly format, this manual is an invaluable resource for anyone involved in teaching students with speech and language disorders.