The Best Book Series For Tweens
35 Book Series For Tweens, From Stories About Greek Gods to Kids on a Track Team
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What the series is about, according to Amazon: "Told from multiple points of view, Percy Jackson's adventures continue and escalate as he teams up with Greek and Roman demigods to stop Gaea the earth mother from destroying the world."
Number of books in the series: 5
Ages the series is best suited to: 10-14
Buy the books here: The Heroes of Olympus ($33)