Reading an incredibly odd novel

I've just begun to read a novel by a Bangladeshi,In The Light of What We Know by Zia Haider Rahman.

It is a very strange book. I've read maybe the first 5% of it, and I still could not tell you at all what it's about. The book has, so far, consisted of one man--an investment banker from Pakistan--describing a visit to his house by a long-lost friend: a h…