The Son of Neptune released on October 2, 2012 and "The House of Hades" was released on October 8, 2013 The Blood of Olympus was released on October 7, 2014. The Son of Neptune The Son of Neptune is a 2011 fantasy-adventure novel written by American author Rick Riordan, based on Greek and Roman mythology. It is the second book in "The Heroes of Olympus" series, preceded by "The Lost Hero" and followed by "The Mark of Athena". The story follows the adventures of amnesiac Percy Jackson, a demigod son of Poseidon, as he meets a camp of Roman demigods and goes to Alaska
Neptune (mythology) described the god. The French Department of Subaquatic Archaeological Research divers (headed by Michel L'Hour) discovered a lifesize marble statue of Neptune, in the Rhône River at Arles; it is dated to the early fourth century. The statue is one of a hundred artifacts that the team excavated between September and October 2007. Etruscan representations of the god are rare but significative. The oldest is perhaps the carved carnelian scarab from Vulci of the 4th century BC: Nethuns kicks a rock and creates a spring. (Paris: Bibliothèque Nationale, Cabinet des Medailles). Another Etruscan gem (from the collection of Luynes, inscribed