Who wins?
The Battle of the Labyrinth vs Heroes of Olympus
The Battle of the Labyrinth wins 68% to 32%. 3 more put them in the same row. From Percy Jackson Books Tier List. Pick a side.
silent_noodle_1990 on The Battle of the Labyrinth: the most underrated book in the series
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