Maia Wojciechowska is obviously on the side of the angels. Her new book [A Single Light] is a legend imbued with the desperation of the human need for love. Its vivid setting is the harsh, gnarled landscape of Spanish Andalucia. In it lies a poverty-ridden town named, symbolically, Almas—Spanish for "souls." Its heroine is a deaf-and-dumb girl, so unloved by her widower father that he has even neglected to name her. She is a creature of seraphic simplicity, unsentimentally portrayed….

It is after her "miracle," her discovery of [a lost statue of the infant Christ], that a middle-aged American art expert appears on the scene. A failure, as rejected and as thirsty for human love as the Andalusian deaf mute, his adult life has been a single-minded quest for this very statue—a missing work by a Renaissance sculptor.

As the villagers learn of their unsuspected treasure's...