The product is a complete set of the "Trials of Apollo" books by Rick Riordan, including the book titled "The Tower of Nero." The series is geared towards young adults, ages 9-12, and adults, with a focus on action, adventure, fantasy, and Greek mythological fiction. The novels are in paperback format and are written in English. The author, Rick Riordan, has crafted a captivating narrative in the series, making it a must-read for fans of the genre.
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