The Picture Exchange Communication System (PECS)-Training Manual

Lori Frost, M.S., CCC/SLP, Andy Bondy, Ph.D.  396 pages/ 2002

The PECS System was developed as a means to teach children with autism and related developmental disabilities a rapidly acquired, self-initiating, functional communication system. Its theoretical roots combine principles from applied behavior analysis, typical speech and language development, and guidelines established within the field of alternative and augmentative communication.