<p>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 <i>Encyclopedia of Autism Spectrum Disorders </i>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 <i>Encyclopedia</i> consists of 5 volumes and approximately 1,500 entries divided by the major conceptual areas of ASD and PDDs, including: </p><p>- Research trends and findings<br>- Behavior/speech<br>- Communication<br>- Treatments<br>- Education</p><p>Taking advantage of the techniques offered by the electronic medium, the <i>Encyclopedia of Autism Spectrum Disorders</i> offers an extensive cross-referencing system facilitating search and retrieval of information.<br></p>