COVER -- Contents -- SECTION A - THEORY -- chapter I-Aims, Scope and Methods of the Investigation -- chapter II-The Psychology of Autistic States and of Post-Autistic Mentality -- Section B The Clinical Findings -- Introduction -- chapter III-Autism Proper - Timmy -- chapter IV-Primal Depression in Autism -John -- chapter V-Disturbed Geography of the Life-Space in Autism -Barry -- chapter VI-The Residual Autistic Condition and its Effect upon Learning- Piffie -- chapter VII-Mutism in Infantile Autism, Schizophrenia, and Manic- Depressive States: the Correlation of Clinical Psycho-pathology and Linguistics -- Section C Implications of the Findings -- chapter VIII-The relation of Autism to Obsessional Mechanisms in General -- chapter IX-Dimensionality as a Parameter of Mental Functioning: its relation to Narcissistic Organization -- chapter X-Conclusion -- Bibliography of Major References -- Index -- Author and Subject Index.