These were recommended in a class I recently attended and I am passing on the recommendations to you.
Verbal Behavior Therapy
Social Thinking
Social Stories
Social Stories and Comic Book Conversations
The Grey Center
Relationship Development Intervention with Young Children: Social and Emotional Development Activities for Asperger Syndrome, Autism, PDD and NLD
Relationship Development Intervention with Children, Adolescents and Adults
A Work in Progress: Behavior Management Strategies & A Curriculum for Intensive Behavioral Treatment of Autism
Behavioral Intervention for Young Children With Autism