The story behind this book is gripping, and it has an important message that it communicates. However, it didn't quite hit for me.
I think that this book has a lot or common faults of early publications and works; while the story is good, it's executed a little clumsily. There are typos and editing errors that while not disorienting, are distracting. Characters occasionally end up in positions that they shouldn't spatially be able to be in. These, however, are small and forgivable mistakes.
The more glaring issues to me lie in the writing of the villains. Zeus and Hermes are written with very little difference between them in moments of conflict. Their individual personalities shine through in some quieter moments, but when they are doing bad things they are reduced to cackling rapists. As characters coming from very different backgrounds with different motivations, that was really disappointing. I wanted to feel their personalities come through in every moment and so often they were reduced to smirking assholes.
Finally, I personally didn't care for the romance. It was not overbearing in its relevance, but it made me cringe at the end. I understand that the characters involved would have some very intense feelings for each other, but chaste kisses and hugs does not feel like the way to express those feelings. However, maybe that romance evolves in an interesting way in later books.
The writing style of this book feels very YA; very exposition heavy. It does not trust the reader to come to their own conclusion, and it often prefers to tell whether than show, especially when establishing the history of the nymphs. A tragically lost opportunity when showing would have been easy, given the story beats.
Finally, I have a bone to pick with the wording of the content warning. This book is all about sexual assault and how victims move on from it. The warning says that "each instance is not graphic." What this is meant to say is the sexual aspect of the assault is not graphic. But the non-sexual violence of each assault is very graphic. The warning is misleading and the detail and brutality of the assault scenes caught me off guard. I thought they were absolutely vital to the story and respectfully written, but to call them not graphic is dangerously misleading.