Percy and Jason

I've been thinking about the Demigod Files for a while now, and it's raised a couple of questions. First off, why was it written? I know it doesn't sound like a very important question, but I beg to differ. Rick Riordan has a dit that he's always known there would be another series involving Camp Half-Blood because there were plot lines and stories he couldn't work into the Percy Jackson series. So what would toi call the stories in the Demigod Files? I 'd call them stories that didn't fit into the main story arch of Percy Jackson and the Olympians. So, I think that since Rick knew he was going...

So as some of toi may have seen, Rick Riordan has shown us that the girl who, in the character art, is wearing the purple dress/toga thing (not quite sure what it’s called) and or armour and has the two dogs, is indeed Reyna.


Let’s start with the dogs. They are automaton hounds par the names of Aurum and Argentium. With a little thing called a translator, and some common sense, I have figured out that their names are of course Latin. Aurum means gold, so the or dog, and Argentium means silver, so the silver dog. Rick also says that the hounds are deadly.
So my question is, what is their...