I received this book for free from Publisher in exchange for an honest review. This does not affect my opinion of the book or the content of my review.

Ruby has never found a puzzle she couldn’t solve. Even though she’s destined to spend the rest of her life as a servant to the royal family, her mind itches for a true challenge. But no puzzle could prepare her for the king’s decision to name Ruby as the next heir to the throne just before his death.

Thrown into the viper’s nest of court, Ruby is forced to contend with a kingdom in crisis, the dead king’s angry wife, and the three entitled and annoyingly handsome princes. Then, as if being newly crowned queen wasn’t enough, she discovers a note left by the king that claims he was murdered . . . and that she might be next.

Unsure of who she can trust, Ruby makes uneasy alliances with each of the princes as she tries to solve the king’s murder. But with the clock winding down, she will face her most difficult challenge yet: finding the truth before the killer comes for her.

Short and Sweet Review

Ruby has spent her whole life as a servant in the castle, quietly solving puzzles and playing secret chess matches with one particular prince… and then suddenly the king dies and names her—a maid—his heir. No warning, no explanation, just instant “congratulations, you’re queen now.” And of course the castle is ready to combust: his wife is furious, the princes are confused, the nobles are offended, and the kingdom is already teetering on the edge of rebellion. As if that wasn’t enough, Ruby finds a note from the king saying he was murdered—and she might be next. So, naturally, she starts investigating while trying to stay alive long enough to be crowned.

The princes were actually more interesting than I expected. They’re all very different, and each one gives Ruby something new to bounce off of—whether that’s banter, loyalty, or slightly suspicious vibes. I also really liked that Ruby doesn’t just… get swept away by them. She’s focused. She’s smart. And she’s not letting anyone decide her fate for her.
The mystery itself kept me guessing longer than I thought it would. I’d feel confident in a theory, then two chapters later I’d be second-guessing everything again. It has that chessboard feeling where every character feels like they could be a piece in play, and every move matters.

It may seem like your average rags-to-riches story, but the way Ruby handles the chaos gives her this unmistakable queenly authority. She never relies on the male advisors or the princes to make decisions for her, and none of the men overshadow her storyline—they’re there to support the plot, while she drives it. Ruby is humble yet decisive, and coming from a lower rank makes her the perfect person to challenge the system from within. Her relationships throughout the story are distinct and layered: her best friend provides moments of levity that cut through the tension; one prince is a longtime friend to whom she becomes unexpectedly betrothed, though their connection is far more complicated than simple luck; another prince is consumed by grief after losing his brother in a tragic event; and the princess keeps Ruby sharp with her cool, watchful presence. The pacing is fast yet detailed in all the right places, and while the romance is a bit predictable, it still lands emotionally within the wider context of political intrigue and personal growth. Themes of self-discovery, courtly drama, class rebellion, morally grey motivations, and immersive, castle-rich world-building shine throughout—and Ruby’s furry little companion adds just the right touch of charm.

Overall, this was fun, fast, and surprisingly twisty. It definitely has that classic palace-intrigue energy—secret passages, political scheming, tense family dynamics—mixed with a heroine who is way more capable than anyone gives her credit for. I loved Ruby’s voice and how she approaches everything like a puzzle to be solved. She stays humble but also grows into her role in a way that feels earned, not forced.