It's unfortunate that a writer of such talent has the name of the guy you do not notice in the cubicle next door, and so it does not sound that exciting to drop his name into conversation. That is about the only criticism that I have of the book.
There are lots of things that are unpromising about it. It is metafiction. It is historical fiction a large part of which takes place in a country house. It has love between a girl and her childhood friend the charwoman's son. But it is really an extremely good work, despite all of this.
The best part of it is the bit with the fountain seen from three angles.
Beautiful but not life changing.