South London-based writer and photographer Caleb Azumah Nelson is talking to Yomi Sode about his debut novel, Open Water, and the themes within. The book is about two people from South East London who meet and fall in love. The story follows their journey through love and their lives as black people and what that means in the world in which they live. Get your copy of the much-anticipated debut with your ticket here. penguin.co.uk