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Understand the Unknown
Katherine Applegate
—
2000
While returning to Mount Olympus to help the gods against Ka Anor, David and his friends fall afoul of mighty Neptune, and discover more than they would like about the lost city of Atlantis.
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marc
@marcmagn1
5 stars
Jan 29, 2023
Brandon Waters
@quesotacoburrito
3 stars
Dec 15, 2021
Cortnie
@babygotbook
3 stars
Sep 24, 2021