1. Understanding and Measuring Social Communication in Children with Autism Spectrum Disorders, Amy M. Wetherby

2. Early Diagnosis of Children with Autism Spectrum Disorders, Catherine Lord and Jennifer Richler

II. Screening and Surveillance

3. Screening for Autism Spectrum Disorders in Populations: Progress, Challenges, and Questions for Future Research and Practice, Tony Charman and Simon Baron-Cohen

4. Early Screening for Autism Spectrum Disorders in Clinical Practice Settings, Lonnie Zwaigenbaum and Wendy Stone

III. Evidence-Based Interventions

5. Treatment of Responding to and Initiating Joint Attention, Paul J. Yoder and Andrea S. McDuffie

6. Evidence-Based Interventions for Language Development in Young Children with Autism, Sally J. Rogers

7. Promoting Social Reciprocity and Symbolic Representation in Children with Autism Spectrum Disorders: Designing Quality Peer Play Interventions, Pamela J. Wolfberg and Adriana L. Schuler

8. Imitation: Some Cues for Intervention Approaches in Autism Spectrum Disorders, Jacqueline Nadel and Nadra Aouka

9. Augmentative and Alternative Communication Systems for Children with Autism, Patricia Howlin

IV. Developmental and Neurobiological Issues

10. A Developmental Approach to Understanding Atypical Development, Tedra A. Walden and Jennifer J. Hurley

11. The Neural Basis of Early Joint-Attention Behavior, Peter Mundy and Danielle Thorp