A for ambition.
A for creativity.
A for creative use of the printed page
(ie - writing about climbing a ladder with print
in rungs from bottom to top.)
C for compelling storytelling.

As much as I admired this crazily multifaceted story within a story within a story about a house that's bigger on the inside than the outside, told by multiple narrators with stellar vocabularies - I felt distanced by the faux historical commentaries and the choppiness.

Percentage of the story I probably didn't get on a first
reading - 50%
Percent I enjoyed it - 65%