The author of the immortal Lolita and Pale Fire, born to an eminent Russian family, conjures the apotheosis of the high modernist artist: cultured, refined-as European as they come. But Vladimir Nabokov, who came to America fleeing the Nazis, came to think of his time here as the richest of his life. Indeed, Nabokov was not only happiest here, but his best work flowed from his response to this exotic land.