We Set the Dark on Fire Books in Order

We Set the Dark on Fire is a two-book YA dystopian fantasy set in Medio, a society where girls at an elite school are trained for one of two roles in marriage. Some become Primeras, expected to run households and manage public life. Others become Segundas, expected to bear children and support the family in different ways. It is a neat, polished system on the surface, and a brutal one underneath. From the start, the series is interested in what survival costs inside a world built on class, gender, border violence, and obedience.

Nothing in Medio stays private for long.

The first book follows Daniela Vargas, the top student at the Medio School for Girls. Dani looks like a perfect success story, but her status depends on a forged identity and a family secret that could destroy everything. Once she is placed in a powerful marriage, the story becomes part courtly drama, part spy thriller, and part forbidden love story. Much of the tension comes from enclosed spaces, formal dinners, paperwork, surveillance, and the constant pressure to perform the version of womanhood Medio rewards.

Then Carmen Santos changes the shape of the whole series. As Dani's fellow wife and a resistance operative tied to La Voz, Carmen turns the household into a political battleground as well as an emotional one. The romance between Dani and Carmen matters because it grows inside a system built to deny both of them real freedom. Mejia is very good at making the personal and the political press against each other. Dani cannot separate her family's sacrifice from the privilege she is trying to hold on to, and Carmen cannot separate love from the risks of rebellion.

The romance matters, but it never floats free from the revolution around it.

We Unleash the Merciless Storm widens the lens by following Carmen more closely as the resistance hardens and the cost of rebellion rises. The second book spends more time with organizers, strategy, divided loyalties, and the messy truth that movements are full of compromise, fear, and competing ideas about justice. That shift gives the duology broader scope without losing the emotional pull of its central relationship.

Readers should expect a tense mix of dystopian fantasy, activist coming-of-age story, and romance with real stakes. These books are full of secrets, class tension, border politics, and characters learning how to use whatever power they have, even when it is not much. If you like YA fantasy that cares about systems as much as it cares about people, this duology has a clear lane. It is sharp, fast-moving, and deeply interested in what freedom asks from the people chasing it.