Betty Smith hit a home run with her debut novel, A Tree Grows in Brooklyn , which sold over a million copies. What it’s selling is nostalgia. A version of the American Dream most immigrants would be familiar. For many cold rooms and childish hunger would be within living memory. They’d be reading about versions of themselves. Irish town, Italian town, German town, Jew town were you got Jew bread, rye bread. A place were the narrator, thirteen-...