The Son of Neptune 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 with his new friends Hazel Levesque and Frank Zhang to free the Greek god of death, Thanatos and help save the world from Gaea, the earth
Neptune (mythology) connection of him with the sea was attested, and may even have originally been conceived under equine form. Such a feature is a reflection of his own chronic, violent, brutal nature as earth-quaker, as well as of the link of the horse with springs, i.e. underground water, and the psychopompous character inherent in this animal. There is no such direct connection in Rome. Neptune does not show any direct equine character or linkage. On the other hand, Roman god Consus was associated with horses: his underground altar was located in the valley of the Circus Maximus at the foot of