The Quality of Mercy

Barry Unsworth returns to the terrain of his Booker Prize-winning novel Sacred Hunger, this time following Sullivan, the Irish fiddler, and Erasmus Kemp, son of a Liverpool slave ship owner who hanged himself. It is the spring of 1767, and to avenge his father's death, Erasmus Kemp has had the rebellious sailors of his father's ship, including Sullivan, brought back to London to stand trial on charges of mutiny and piracy. But as the novel opens, a blithe Sullivan has escaped and is ma…