User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-6064271-20130608181112/@comment-6064271-20130608223915

In the Percy Jackson series it would be: The Battle of the Labyrinth and Titans Curse in a close 2nd (Titans Curse isnt first because Annabeth is out for basically half the book, but i like the way Percy is driven to rescue Annabeth and the scene with Aphrodite. TTC was the first book where i thought "wow, I think they gonna end up hooking up and be the demigod couple of the century" though i kinda imagined that Percy liked her a little in the 1st book and Annabeth started showing more interest towards Percy in the 2nd book after Luke went bad)

In the Heroes of olympus: Mark of Athena with no doubt. Everybody has their memories, my favorite characters are there (Percy and Annabeth), also this is the first book where we see how much they love eachother, and this was the book that made Annabeth my 2nd favorite character (beating BlackJack) but most importantly the Cliffhanger at the end blew me away.