For years, young Mud and her family have roamed the high grasses, swamps, and deserts of the sub-Sahara. Now the earth is scorched by drought, and the mutilated bodies of family and friends lie scattered on the ground, shot down by ivory hunters. Nothing-not the once familiar terrain, or the age-old rhythms of life, or even memory itself-seems reliable anymore. Yet a slim prophecy of hope is passed on from water hole to water hole: the sacred white bone of legend will point the elephants toward the Safe Place. And so begins a quest through Africa's vast and perilous plains-until at last the survivors face a decisive trial of loyalty and courage.