Okay, so Percy Jackson is a really really good movie.
It is also a really really good book.
However, it does not meet in the middle. It is not a really really good book/movie series. It's like Harry Potter - there's just too much. Little things, like the age of the characters and the ending fate of Percy's stepfather just don't work in the overall grand scheme of things. And then they left out....
THEY LEFT OUT KRONOS