User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-78.180.247.183-20130530102644/@comment-10137020-20130530112348

The cover is more likely gonna depict the House of Hades and show some of our characters battling  or something which gonna leave us with thousands of questions rather than give us answers :P

I Hope it shows something of Percy and Annabeth and what they're going through :D