Deadly 60 presenter Steve Backshall discusses Dark Matter by Michelle Paver, a chilling ghost story set around a scientific expedition to the Arctic Circle in 1937. Gransnet editor Geraldine Bedell talks about The Idea of Perfection by Kate Grenville, a romance between two people in the eccentric little backwater town of Karakarook, Australia. Host Harriet Gilbert reviews In the Country of Men by Hisham Matar, a tender coming-of-age story