Dr. NoA sly, madcap novel about supervillains and nothing, really, from an American novelist whose star keeps rising. The protagonist of Percival Everett's puckish new novel is a brilliant professor of mathematics who goes by Wala Kitu. (Wala, he explains, means 'nothing' in Tagalog, and Kitu is Swahili for 'nothing'.) He is an expert on nothing. That is to say, he is an expert, and his area of study is nothing, and he does nothing about it. This makes him