AdvantagesBeautifully presented little snippet of the future, post-His Dark Materials
DisadvantagesUndeniable aftertaste of pointlessness
AdvantagesLots of action, parallel worlds are believable, those last two chapters -- wow
DisadvantagesWill does irritate me just a tiny bit
AdvantagesBrilliant end to a brilliant trilogy. Short chapters: ideal stopping places
DisadvantagesMuch longer than the others. Very descriptive in the middle.