WWI Galleries at the Imperial War Museum, Linda Grant, John Fay, Grand Central

The curators of the new First World War Galleries at the Imperial War Museum in London walk Samira Ahmed round their new exhibition, part of the extensive new design for the building. Linda Grant discusses her new novel Upstairs at the Party, where the arrival of a glamorous, androgynous couple at a university campus in the '70s has long-term consequences. John Fay returns to The Mill, his Channel 4 drama series. And Catherine Bray reviews the French film Grand Central which stars Blue is the Warmest Colour's Léa Seydoux.