The Siren Depths by Martha Wells
This book is about Moon, a once‑solitary wanderer of the Three Worlds, who after being reunited with his kind and becoming consort to the queen Jade of the Indigo Cloud court, must face new claims on his identity: a rival court insists he belongs to them, forcing him to journey into his mysterious past while a ruthless enemy resurfaces to threaten all Raksura.
From the moment I reopened their world I felt both longing and tension: longing for belonging from Moon, and tension as every relationship and court custom threatens to unravel what he thought he had found. Wells handles his journey with gentle cruelty: she does not spare him from the pain of being uprooted again, but she also gives him small victories, moments of connection, memory, hope that feel precious because they are hard won. The tension between loyalty to Jade and the demands of birthright made me ache for him; when he wrestles with doubt and fear it felt painfully real. I also loved how the book deepens the world building: the matriarchal courts, their customs, the strange and frightening clan politics, and the looming menace of the shape‑shifting predators known as The Fell, trying to crossbreed with Raksura for their own dark ambitions.
What resonated for me most was the exploration of what it means to belong: to a family, a court, a species. Moon’s struggle is not just external but internal; he wants to believe he belongs, and yet he fears he might always be “other.” Through him the novel asks whether identity is defined by blood, by choice, or by love. The emotional weight of that question hung with me long after the final page. For all its fantasy, this felt like a deeply human story about grief, hope, rejection, and the longing to find home.
If there is a weakness it is that some of the Fell, the “villains” feel more like looming shadows than fully realized beings. Their motivations sometimes stay murky compared to the richly detailed Raksura culture; I wished the story had spent a little more time giving them depth beyond threat.
I give The Siren Depths 4 out of 5. It moved me, unsettled me, and made me believe, perhaps foolishly that belonging might be possible even for a wanderer who’s lost everything. If you love immersive fantasy worlds with strange creatures, political tension, emotional stakes, and a hero who fights not only for survival but for acceptance, this is one of those rare books that lingers with you.