Every week, when The New York Times Book Review goes live on our Web site, Twitter lights up with links and opinions about its contents. But when Glen Duncan’s review of Colson Whitehead’s new zombie novel, “Zone One,” appeared a few weeks ago, the response was heavier — and harsher — than usual. Mr. Duncan, like Mr. Whitehead, is a highly literary prose stylist who ventured into supernatural territory with his well-received last novel (“The Last Werewolf”), and his thoughts on genre touched a nerve. We asked him if he wanted to clarify his review or reply to his critics; his response is below.
