Please could anyone help me find a book?. I read about it on here either last summer or in 2023. I’m sure it was described as life-changing and a must-read by several people and recommended loads!
I can’t remember the plot, but I thought it had a door on the cover and possibly has ‘number’ in the title eg Number 42 or similar.
I feel as if it wasn’t a summer thriller, so not The Housemaid or of that ilk.
I thought I’d added it to my Amazon basket but if I did it has disappeared 
I realise this is hopelessly tenuous but thought it might strike a chord with someone. Chat GPT hasn’t helped.