The Nameless City Series by Faith Erin Hicks

The City has many names... and no name.Built on an ancient mountain pass, the City is forever being invaded by one nation or another, and every new master gives it a new name. But for the natives, their home is the Nameless City, and those who try to name it are forever outsiders. Dreamy, sheltered Kaidu is one such outsider. He's a Dao born and bred — a son of the latest nation to occupy the Nameless City... moreThe City has many names... and no name.Built on an ancient mountain pass, the City is forever being invaded by one nation or another, and every new master gives it a new name. But for the natives, their home is the Nameless City, and those who try to name it are forever outsiders. Dreamy, sheltered Kaidu is one such outsider. He's a Dao born and bred — a son of the latest nation to occupy the Nameless City. Cynical, street-smart Rat is a native, and at first she hates Kai for everything he stands for. But Kai's love of his new home may be the one thing that can unite these two unlikely friends. And they will need to stand together at all costs......because the fate of the Nameless City rests in their hands. less

Kaidu and Rat have only just recovered from the assassination attempt on the General of All Blades when more chaos breaks loose in the Nameless City: deep conflicts within the Dao nation are making it impossible to find a political solution for the disputed territory of the City itself.To complicate things further, Kaidu is fairly certain he's stumbled on a formula for the lost weapon of the mysterious founders of the City. . . moreKaidu and Rat have only just recovered from the assassination attempt on the General of All Blades when more chaos breaks loose in the Nameless City: deep conflicts within the Dao nation are making it impossible to find a political solution for the disputed territory of the City itself.To complicate things further, Kaidu is fairly certain he's stumbled on a formula for the lost weapon of the mysterious founders of the City. . . . But sharing it with the Dao military would be a complete betrayal of his friendship with Rat. Can Kai find the right solution before the Dao find themselves at war? less

The Nameless City—held by the rogue Dao prince Erzi—is under siege by a coalition of Dao and Yisun forces who are determined to end the war for the Nameless City once and for all. And the people of the city—the "Named"—are caught in between... moreThe Nameless City—held by the rogue Dao prince Erzi—is under siege by a coalition of Dao and Yisun forces who are determined to end the war for the Nameless City once and for all. And the people of the city—the "Named"—are caught in between.Meanwhile, Rat and Kai must infiltrate Erzi's palace and steal back the ancient and deadly formula for napatha, the ancient weapon of mass destruction Erzi has unearthed—before he can use it to destroy everything Rat and Kai hold dear!In her third and final installment in the Nameless City trilogy, Faith Erin Hicks delivers a heart-thumping conclusion. With deft world-building, frantic battle scenes, and a gentle and moving friendship at its heart, the Nameless City has earned its place as one of the great fantasy series of our time. less