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Book, 2012
Current format, Book, 2012, Definitive ed. 1st Tor mass market ed, All copies in use.
Book, 2012
Current format, Book, 2012, Definitive ed. 1st Tor mass market ed, All copies in use. Offered in 0 more formats
The humans aboard the spaceship the Pillar of Autumn crash-land onto a mysterious ringworld, where they discover a secret weapon, the Halo construct, built to stop the force known as the Flood, as they battle the Covenant who worship the Halo.
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