As writers of English from Australia to India to Sri Lanka command our attention, Salman Rushdie can state confidently that English fiction was moribund until the Empire wrote back, and few, even among the British, demur. A. S. Byatt does, and her case is persuasive. In a series of essays on the complicated relations between reading, writing, and remembering, the gifted novelist and critic sorts the modish from the merely interesting and the truly...