Gates of Thread and Stone Series by Lori M. Lee

In the Labyrinth, we had a saying: keep silent, keep still, keep safe. In a city of walls and secrets, where only one man is supposed to possess magic, seventeen-year-old Kai struggles to keep hidden her own secret—she can manipulate the threads of time. When Kai was eight, she was found by Reev on the riverbank, and her “brother” has taken care of her ever since. Kai doesn’t know where her ability comes from—or where she came from... moreIn the Labyrinth, we had a saying: keep silent, keep still, keep safe. In a city of walls and secrets, where only one man is supposed to possess magic, seventeen-year-old Kai struggles to keep hidden her own secret—she can manipulate the threads of time. When Kai was eight, she was found by Reev on the riverbank, and her “brother” has taken care of her ever since. Kai doesn’t know where her ability comes from—or where she came from. All that matters is that she and Reev stay together, and maybe one day move out of the freight container they call home, away from the metal walls of the Labyrinth. Kai’s only friend is Avan, the shopkeeper’s son with the scandalous reputation that both frightens and intrigues her. Then Reev disappears. When keeping silent and safe means losing him forever, Kai vows to do whatever it takes to find him. She will leave the only home she’s ever known and risk getting caught up in a revolution centuries in the making. But to save Reev, Kai must unravel the threads of her past and face shocking truths about her brother, her friendship with Avan, and her unique power. less

The walls of Ninurta keep its citizens safe. Kai always believed the only danger to the city came from within. Now, with a rebel force threatening the fragile government, the walls have become more of a prison than ever. To make matters worse, as Avan explores his new identity as an Infinite, Kai struggles to remind him what it means to be human. And she fears her brother, Reev, is involved with the rebels... moreThe walls of Ninurta keep its citizens safe. Kai always believed the only danger to the city came from within. Now, with a rebel force threatening the fragile government, the walls have become more of a prison than ever. To make matters worse, as Avan explores his new identity as an Infinite, Kai struggles to remind him what it means to be human. And she fears her brother, Reev, is involved with the rebels. With the two people she cares about most on opposite sides of a brewing war, Kai will do whatever it takes to bring peace. But she’s lost her power to manipulate the threads of time, and she learns that a civil war might be the beginning of something far worse that will crumble not only Ninurta’s walls but also the entire city. In this thrilling sequel to Gates of Thread and Stone, Kai must decide how much of her humanity she’s willing to lose to protect the only family she’s ever known. less