Inspector Kurt Wallander is at it again. Four nuns and an unidentified fifth woman are found with their throats slit in an Algerian convent. In Sweden, a birdwatcher is skewered to death in a pit of carefully sharpened bamboo poles. How are these deaths connected? Wallander, "the charmingly melancholy Scandinavian of lore and tradition" (Kirkus Reviews), is hot on the trail.