Who wins?
Kane Chronicles vs Heroes of Olympus
Heroes of Olympus wins 84% to 16%. 6 more put them in the same row. From Percy Jackson Books Tier List. Pick a side.
GrumpyPotato on Kane Chronicles: the crossover with Percy was a highlight
DarkTaco3262 on Heroes of Olympus: the Roman camp idea was great, the multiple perspectives slow it down
Percy Jackson Books Tier List: the full ranking