User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-50.11.220.20-20130601173902

I kinda think that for the cover Rick could have done a little better. Like maybe a huge army of Gaea's soldiers charging at Percy and Annabeth, or maybe the doors of death on top and the Seven on the bottom, sailing towards Gaea's laughing face or something.