In Pursuit of the English is a novelist’s account of a lusty, quarrelsome, unscrupulous, funny, pathetic, full-blooded life in a working-class rooming house. It is a shrewd and unsentimental picture of Londoners you’ve probably never met or even read about—though they are the real English. The cast of characters—if that term can be applied to real people—includes: Bobby Brent, a con man; Mrs. Skeffington, a genteel woman who bullies her small child and flings herself down two flights of stairs to avoid having another; and Miss Priest, a prostitute, who replies to Lessing’s question “Don’t you ever like sex?” with “If you’re going to talk dirty, I’m not interested.” In swift, barbed style, in high, hard, farcical writing that is eruptively funny, Doris Lessing...