The Dreadful HollowThe Dreadful Hollow is a 1953 detective novel by Cecil Day-Lewis, written under the pen name of Nicholas Blake. It is the tenth in a series of novels featuring the private detective Nigel Strangeways.SynopsisAfter a series of poison pen letters in the Dorset village of Prior’s Umborne has led to a man taking his own life, Strangeways is called in by a wealthy local man to try and discover who is sending them. Before long, however, he has to deal with a second victim.