A SUNDAY TIMES LITERARY NON-FICTION BOOK OF THE YEARA GUARDIAN BEST BOOK OF THE YEAR (AS CHOSEN BY AUTHORS)**LONGLISTED FOR THE BAILLIE GIFFORD PRIZE**'Outstanding. I'll be recommending this all year.' Sarah Bakewell 'A beautiful and deeply moving book.' Sally Rooney'I like this London life . .

. the street-sauntering and square-haunting.' Virginia Woolf, diary, 1925Mecklenburgh Square, on the radical fringes of interwar Bloomsbury, was home to activists, experimenters and revolutionaries; among them were the modernist poet H. D., detective...