User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-1515612-20130221033240/@comment-5593616-20130221193052

I agree. I really doubt we'll get a Percy/Annabeth POV, although that's what I want. The idea of them being seen in dreams/Piper's knife is I think most likely.

P.S Would they be able to use Iris-messages considering they're gonna be in Tartarus?