The Mark of Athena is an upcoming book written by Rick Riordan that is scheduled to be released in Fall 2012. It is the third book in the series, The Heroes of Olympus

The Heroes of Olympus

The Heroes of Olympus is a fantasy book series written by Rick Riordan and based on Greek and Roman mythology. It is the sequel series to the Percy Jackson & the Olympians pentalogy....

. It will continue the adventures of the seven demigods of the second Great Prophecy and their quest to stop the giants - the sons of Gaea - in Rome. The Greek and Roman heroes will try to close the Doors of Death and save Nico di Angelo, who has probably been taken captive by Gaea's forces.

It is hinted that Annabeth Chase is the seventh demigod alongside Percy Jackson, Jason Grace

Jason Grace

Jason Grace is a fictional character and the protagonist in Rick Riordan's The Heroes of Olympus book series, the sequel to the Percy Jackson & the Olympians series. He first appears in The Lost Hero, the first novel of the series, as a 15 or 16-year-old boy suffering from amnesia...

, Hazel Levesque

Hazel Levesque

Hazel Levesque is a fictional central character and protagonist in "The Son of Neptune", the second book of Rick Riordan's series, The Heroes of Olympus, where she is one of three narrators. A demigod daughter of Pluto, she resides at Camp Jupiter, a secret camp built to train Roman demigods...

, Frank Zhang

Frank Zhang

Frank Zhang is a fictional and central character in Rick Riordan‘s book series, The Heroes of Olympus, where he is a major character. A Canadian Chinese demigod son of Mars, he is also a descendant of Poseidon, the Greek form of Neptune through his mother's family.-History of Frank Zhang :Frank is...

, Piper McLean

Piper McLean

Piper McLean is a fictional character and the deuteragonist in Rick Riordan's The Heroes of Olympus book series, the sequel to the Percy Jackson & the Olympians series. She first appears in The Lost Hero, the first novel of the series, as a fifteen year-old undetermined demigod who attends the...

 and Leo Valdez

Leo Valdez

Leo Valdez is a fictional character in Rick Riordan's The Heroes of Olympus series of novels. He first appears as one of the three protagonists in The Lost Hero where he is a fifteen year-old demigod of indeterminate parentage who attends the Wilderness School, a boarding school for "bad...

, a son of Hephaestus

Hephaestus

Hephaestus was a Greek god whose Roman equivalent was Vulcan. He is the son of Zeus and Hera, the King and Queen of the Gods - or else, according to some accounts, of Hera alone. He was the god of technology, blacksmiths, craftsmen, artisans, sculptors, metals, metallurgy, fire and volcanoes...

, will sail to Rome on the Argo || built by him.

Main Prophecy

Seven Half-Bloods shall answer the call;

To Storm or Fire the World must Fall;

An Oath to keep with a final breath,

And Foes Bear Arms to the Doors of Death

See also

• The Heroes of Olympus
  The Heroes of Olympus
  The Heroes of Olympus is a fantasy book series written by Rick Riordan and based on Greek and Roman mythology. It is the sequel series to the Percy Jackson & the Olympians pentalogy....
  
  
• The Lost Hero
  The Lost Hero
  The Lost Hero is a 2010 fantasy-adventure novel written by Rick Riordan and is based on Greek and Roman mythology. It is the first book in the series The Heroes of Olympus, the next series about Camp Half-Blood. It was preceded by the Percy Jackson & the Olympians series, which focused solely on...
  
  
• The Son of Neptune
  The Son of Neptune
  The Son of Neptune is the second book in the Heroes of Olympus series written by Rick Riordan. It was released on October 4, 2011.-Development:...
  
  
• Annabeth Chase
• Percy Jackson and the Olympians
  Percy Jackson and the Olympians
  Percy Jackson & the Olympians is a pentalogy of adventure and fantasy fiction books authored by Rick Riordan. The series consists of five books, as well as spin-off titles such as The Demigod Files and Demigods and Monsters. Set in the United States, the books are predominantly based on Greek...
  
  

External links

• Heroes of Olympus