From the bestselling master storyteller Sir Philip Pullman dive once again into the world of His Dark Materials and The Book of Dust...Dyou er have you seen her beforeYes. I know who she is.But Grinstead this painting is seventy years old probably nearer eighty Youre not being serious I mean . . . What do you meanOn a dark winters night in 1970 Horley and Grinstead huddle for warmth in the Senior Common Room of a college in Oxford. Conversation turns to the two impressive works of art that Horley has recently added to his collection.What the two men dont know is that these pieces are connected in mysterious and improbable ways and they are about to be caught in the crossfire of a story which has travelled time and worlds.