User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-5604127-20130302213549/@comment-3146930-20130303235915

MoA had 4 because it was told from the POV of all the Greek demigods, but if the HoH is told from all Roman, that would mean it would only have three. I'm not saying that the book won't have 4 POV, but it doesn't need four POV