There's a brief but reflective detour in this hugely ambitious, perhaps definitive, telling of the autism story, some hundred or so pages in. Steering from the text's omnipresent objectivity and exhaustively researched facts, the authors make a personal observation that, I believe, has universal resonance.
It has been three months since my husband and I made the decision to not send our high functioning autistic 6yo daughter back to school after the half term break. Although her autism wasn't diagnosed until last year, I'd long had my suspicions that something more than the usual was at the bottom of her incredibly poor sleep and challenging behaviour.
I've been at The National Autistic Society (NAS) for over eight years now and I'm still taken aback when I hear just how difficult it is to get a diagnosis - the days, months and years of pain and distress families have to go through just to understand who they are and to have a chance of getting support.
The Chancellor has a simple choice to make on Wednesday. He can risk writing off generations of autistic people and their families by cutting crucial services across social care, disability benefits and disabled children's services. Or he can show leadership and keep the Conservatives' pledge to be family friendly and protect the vulnerable.
It's that time of the year again and this time my anger outburst is more serious than ever. It always seems to be around this time of the season as many people tell me. I suppose it's the festive season now and the change get's overwhelming. But that's certainly no excuse for my recent terrible actions...