This major reference work breaks new ground as an electronic resource for students, educators, researchers, and professionals. Comprehensive in breath and textbook in depth, the Encyclopedia of Autism Spectrum Disorders serves as a reference repository of knowledge in the field as well as a regularly updated conduit of new knowledge long before such information trickles down from research to standard textbooks. The Encyclopedia consists of 5 volumes and approximately 1,500 entries divided by the major conceptual areas of ASD and PDDs, including:

- Research trends and findings
- Behavior/speech
- Communication
- Treatments
- Education

Taking advantage of the techniques offered by the electronic medium, the Encyclopedia of Autism Spectrum Disorders offers an extensive cross-referencing system facilitating search and retrieval of information.