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
She-wolf (Roman mythology) that the wolf held a special place in the world of the ancient inhabitants of Italy. One legend claims that the Hirpini people were so-called because, when they set out to found their first colony, they were led to its location by a wolf (from the Sabine word for wolf: "hirpus"). The tale of the Lupercal is central to that of the twins, and probably predates theirs. To the Roman god Mars the wolf is a sacred animal. There is an ongoing debate about a connection to the ancient Roman festival of the Lupercalia. In Greek mythology, Apollo's mother Leto