We profile four of the emerging novelists championed in the Waterstone’s new writing promotion. Winman’s When God Was a Rabbit is a family story set over four decades; Obreht’s The Tiger’s Wife resonates over three generations in the Balkans; Waheed’s The Collaborator is set in the heart of terrible conflict in 1990s Kashmir and Leith’s The Coincidence Engine conjures The Directorate of The Extremely Improbable and a chase across America.