Second-hand copy of 'Heroes of Olympus: The Son of Neptune' by Rick Riordan.
In Books
Heroes of Olympus: The Son of Neptune is the second book in the Heroes of Olympus series by Rick Riordan, published in 2011. It continues the story of the demigods from the Percy Jackson & The Olympians series, following the protagonists as they embark on epic quests rooted in Greek and Roman mythology. The series is particularly popular among young adult readers and is known for its engaging storytelling and humor.