For forty-five years, the expatriate Juan Goytisolo has been widely acknowledged as both Spain's greatest living writer and its most scabrous critic. In some thirty books of fiction, autobiography, essays and journalism, he has turned the Spanish language against what he derides as 'Sunnyspain', flaying the 'Hispanos' while excavating their culture's Moorish and Jewish roots. This, his masterful two-volume autobiography first published in the mid-1980s,...