I think there will be some merit to the book, and that is will apply to some children.
I have seen children who have been misdiagnosed with an ASD, which I am sure happens to much and this book is likely to apply to some on them.
I feel this type of book is making the same mistakes as some doctors, not everyone fits in the same box. While the book will fit some there are so many more it will not.
Maybe change the title to; The Myth of Autism for some children.
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Diagnosed with Dyslexia and Social/Communication problems at 10 and with Aspergers at 19.
Your Aspie score: 162 of 200
Your neurotypical (non-autistic) score: 36 of 200