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: "Follow the EPIC battle between Hilo and Razorwark from BEGINNING to END."
Number of books in the series: 7
Ages the series is best suited to: 8-12
Buy the books here: Hilo ($49) and Gina: The Girl Who Broke the World ($12)