Really this book can not leave anyone indifferent. For what can we expect when the worst happened? This father after his forces essait to survive her child against all odds, but what life? Because the future seems compromised on our planet devastated buried under the ashes that the sun can not penetrate .The father can live with the memories of another world but the son can only imagine .Even the blue of the sea disappeared for the uniform gray color. Hunger survivors led to a de-socialization. But still hope he does not remain? A book that ask the right questions at a time when we begin to worry about the future of the earth.