The House of Hades is the next book.
The next book is called The Son of Neptune
The third book, The Mark of Athena, will be out fall of 2012 :D
The next book is called House of Hades and will be coming out Fall 2013
It is about finding Percy, son of Poseidon. So it is called Son of Neptune, Neptune is Poseidon's Roman name.
Yes it is true. The book is coming out Fall of 2011.
The next, and possibly last, book will come out fall 2012. It's the third book in the series and it's called The Mark of Athena.
The next book, The Son Of Neptune, will not be in stores till October 4th 2011. All of us will have to wait till then :)
The Trials of Apollo series is the follow-up to the Heroes of Olympus series in the Camp Half-Blood Chronicles by Rick Riordan. The Trials of Apollo series continues the story from where Heroes of Olympus left off.
Well, The Lost Hero is out, The Son of Neptune is out, my next book The Daughter of Poseidon will be out by the end of this year or sooner, and The Mark of Athena will be out Fall 2012.
The Heroes of Olympus was the next related series.
The last one already came out and it was the Last Olympian but there's another series that came out called the heroes of Olympus
"Mark of Athena," which is the third book in the Heroes of Olympus series by Rick Riordan, was released on October 2, 2012.