Travels with My Aunt; by Graham Greene.

The protagonist, brought up impeccably by respectable parents, discovers an aunt at the funeral of his mother, who takes him on a journey - and his journey progresses in other dimensions as he travels far around the world with her.

Strictly speaking this work of his is not political, but it then again nor is he political in other works, strictly speaking; he merely smashes the convictions held normally that do not warrant being held in the interest of truth or light of facts, and either way he does get at hypocrisy.