Of the two books released so far in this trilogy, Wrath of the Triple Goddess is easily my favourite. The relationships between Annabeth, Grover and Percy are centre stage and a joy to read; the secondary characters are all interesting; the various events within the quest are entertaining; and Nope is utterly adorable. 

This is definitely a low stakes story, perhaps even more so than Chalice of the Gods; but even though my favourite Riordan books tend to be his high stakes, action packed finales, I never found this 'smaller' story boring. There are also moments of genuine emotion which make it rise above simply being a fun read. I've seen criticism that Chalice and Wrath don't really explore the impact of the trauma Percy and Annabeth went through in the Heroes of Olympus series, and I think that's valid, but it doesn't detract from my enjoyment. 

I had a great time reading this and I am already looking forward to the third book.