FROM THE SUNDAY TIMES NUMBER ONE BESTSELLING AUTHOR

‘A master storyteller’ Observer

Summer 1914. A world on the brink of catastrophe.

In London, 26-year-old Venetia Stanley – aristocratic, clever, bored, reckless – is having a love affair with the Prime Minister, H. H. Asquith, a man more than twice her age. He writes to her obsessively, sharing the most sensitive matters of state.

As Asquith reluctantly leads the country into war with Germany, a young intelligence officer is assigned...