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The Sky Vault

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The third book in Percy’s innovative and acclaimed Comet Cycle, The Sky Vault, follows an investigation of a mysterious weather phenomena in Fairbanks, Alaska, and a government secret buried since WWII.

The comet, Cain, came from beyond our solar system, its debris containing elements unknown. Now, in the isolated region of Fairbanks, Alaska, the skies shift and stretch as an interstellar dust cloud seeds the atmosphere. When a plane shudders its way through pulpy, swirling, bruise-shaped cl...