From Publishers Weekly
The final volume in British author Reynolds's SF trilogy that began with Revelation Space
(2001) fulfills all the staggering promise of the earlier books, and then some. The world Hela, an airless moon of the gas giant Haldora, is remarkable for two things: relics of the extinct alien race called the scuttlers, and the Quaicheist faith, whose observers (aided by infection with a virus that induces religious fervor) watch Haldora in the hope of viewing one of its mysterious, split-second disappearances. Church records show the disappearances are slowly increasing in frequency and duration. Rumors abound, and arriving pilgrims confirm that Haldora's changing behavior is a sign of the end times. When his indoctrinating virus weakens on occasion, however, Quaicheist founder Horris Quaiche has other ideas—as does young iconoclast Rashmika Els, self-taught scuttler archeologist. Meanwhile, unhappy war veteran Nevil Clavain leaves self-imposed exile on the planet Ararat to help his friend, human-pig hybrid Scorpio, and rejoin the battle against the implacable Inhibitors, "wolf" machines that seek out and destroy star-faring civilizations. From a slow start, Reynolds's plot rapidly builds momentum, hurtling to a stunning conclusion. Cinematic imagery and strong characters ably carry this juggernaut of a story, with Big Ideas strewn about like pebbles on a beach. It's not the best book to introduce Reynolds to those who've never read him, but it's without a doubt a fitting finale to the series, a landmark in hard SF space opera.
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"A book of great fascination, rich description, and memorable action."—Locus
"Reynolds writes a lean and muscular prose where the intense action scenes are leavened with the kind of bright, shining, mind-boggling science talk that characterizes the best of post-modern space opera."—Science Fiction Weekly