That does not mean it is not a powerful memory. This was where she felt his mouth on hers, with that glimpse into the rest of the house and the little coatroom which he has given over to the dog. They slid down the wall together, her hand touching the bookshelf. Thoughtful books. Astronomy, she is surprised to find, rubbing shoulders with two volumes out of three on the history of colours. Black, and green. What does he have against blue? Perhaps blue is hard to find, or was never completed. Perhaps blue is a ghost book.