A model, dressed in what resembles a flapper's spacesuit, crouches among disco mirror-balls that send showers of light across an attic room; in another scene, dresses lit from within hang like Chinese lanterns from a tree; in yet another, a motley crew of children play on a beach among the ruins of a giant cardboard swan. The English fashion photographer Tim Walker, born in 1970 in Devon, has a fondness for such dream-logic scenarios. His models often...