So when summer comes, we leave the frothy beach books to those who frequent the frothy beach, seeking out spikier, more esoteric pleasures instead.

NPR: Summer Reads for Former Recess Rebels

If you want to know which poker hands to bluff with, why neighbourhoods with permanent residents have more road crossings or why digital communication makes the world spikier not flatter, Mr Harford's book provides some answers.

ECONOMIST: Economics

Last week, he was even spikier.

WSJ: Andre Villas-Boas: The Collapse of a Coaching Wunderkind