Based on Francesca Happés best-selling textbook, Autism: An Introduction to Psychological Theory, this completely new edition provides a concise overview of contemporary psychological theories about autism. Fletcher-Watson and Happé explore the relationship between theories of autism at psychological (cognitive), biological and behavioural levels, and consider their clinical and educational impact.The authors summarise what is known about the biology and behavioural features of autism, and provide concise but comprehensive accounts of all influential psychological models includingTheory of Mind(ToM) models, early social development models and alternative information processing models such asweak central coherencetheory.The book also discusses more recent attempts to understand autism, including theDouble Empathy Problemand Bayesian theories. In each case, the authors describe the theory, review the evidence and provide critical analysis of its value and impact. Recognising