It has not yet been confirmed yet. It seems not.
Yes, the prophecy that Rachel said will come true in Rick Riordan's next camp half-blood series.
He was not the demi-god that the prophecy was about, in Camp Half-Blood series. However, the Heroes of Olympus series is out. It has a new prophecy, that calls for seven demi-gods. He may turn out being involved in that.
No but Rick Riordan is making another camp half-blood series. Some of the characters will be in it but they won't be the main characters. It is supposed to come out the fall of 2010. I think the series involves the prophecy that they mention in the end of the Last Olympian
The Bible does not specifically mention blood moons as having a particular significance. However, some people believe that blood moons may be a sign of significant events or changes based on interpretations of biblical prophecy.
No, but there is going to be a new Camp Half-Blood series which focuses around Rachel's Great Prophecy.
Yes, but Rick Riordan is in the proses of writing a new Camp Half-Blood series that's about the prophecy that was said in the 5th book.
The second Warriors series is split into two prophecies. The first three books, Midnight, Moonrise and Dawn, are about the prophecy Darkness, Air, Water and Sky will come together...and shake the forest to its roots. The last three books, Starlight, Twilight and Sunset, are about the prophecy before there is peace, blood will spill blood and the lake will run red.
It'll centre around the subjects of Rachel's prophecy and may or may not feature the main characters from the Percy Jackson and the Olympians series.
In 'The Lost Hero', the first book in the Heroes of Olympus series (or the next Camp Half Blood series), Nico does not make an appearance. However Annabeth does mention that he shows up at Camp Half Blood occasionally. It is yet to be revealed if Nico di Angelo will appear in the next book, 'The Son of Neptune'.
A taste of blood.
Percy Jackson and Annabeth Chase will be in the 2nd Camp Half Blood series. There will not be a sixth book, but a new series which will mostly revolve around the next Great Prophecy. Rick Riordan will also be making an Egyptian Mythology series, which wont be about Percy. Both the next Camp Half-Blood/Greek series and the Egyptian series are scheduled to come out Winter 2010 yes there is sort of a sixth book because its about other people but there in it.
No, but there is going to be another Camp Half-Blood series. Rick Riordan is writing a continuing series, The Heroes of Olympus, but we will not get another beautiful Percy Jackson book. :-(