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
Dolos (mythology) Dolos (mythology) In Greek mythology, Dolos or Dolus (Ancient Greek: Δόλος "Deception") is the spirit of trickery and guile. He is also a master at cunning deception, craftiness, and treachery. He was the son of Gaia (Earth) and Aether (Hyginus, "Fabulae" Theogony 3) or Erebus and Nyx (Cicero, "De Natura Deorum" 3.17). Dolos is an apprentice of the Titan Prometheus and a companion of the Pseudologi (Lies). His female counterpart is Apate, who is the goddess of fraud and deception. His Roman equivalent is Mendacius. There are even some stories of Dolos tricking gods into lies. Pseudo-Hyginus:From Aether (Air) and