We regularly require the intellectual equivalent of “fresh air,” but there are times when that need becomes particularly urgent. If that’s the case for you just now, I have a book to recommend:
The Importance of Being Poirot
, by Jeremy Black, published last fall by St. Augustine’s Press. It will be especially tonic for readers fond of Poirot and of Agatha Christie’s fiction more generally, for its focus is not limited to the Belgian detective.