Section 40 is taking stock. Crisis?
“Vernon drove home in morose mood. He’d more guilt than you could shake a lapsed Catholic at. Guilt about the children; Daniel, Claire and Pippa. Guilt about Nsansa. There was the hint too of some kind or rumbling subterranean, or maybe submarine guilt, such as Jonah might have felt in refusing his summons to Nineveh.”
Its high time you started reading the Novel