The Pledge Series by Kimberly Derting

In the violent country of Ludania, the classes are strictly divided by the language they speak. The smallest transgression, like looking a member of a higher class in the eye while they are speaking their native tongue, results in immediate execution. Seventeen-year-old Charlaina has always been able to understand the languages of all classes, and she's spent her life trying to hide her secret... moreIn the violent country of Ludania, the classes are strictly divided by the language they speak. The smallest transgression, like looking a member of a higher class in the eye while they are speaking their native tongue, results in immediate execution. Seventeen-year-old Charlaina has always been able to understand the languages of all classes, and she's spent her life trying to hide her secret. The only place she can really be free is the drug-fueled underground clubs where people go to shake off the oppressive rules of the world they live in. It's there that she meets a beautiful and mysterious boy named Max who speaks a language she's never heard before . . . and her secret is almost exposed. Charlie is intensely attracted to Max, even though she can't be sure where his real loyalties lie. As the emergency drills give way to real crisis and the violence escalates, it becomes clear that Charlie is the key to something much bigger: her country's only chance for freedom from the terrible power of a deadly regime. less

In the violent country of Ludania, the language you speak determines what class you are, and there are harsh punishments if you forget your place—looking a member of a higher class in the eye can result in immediate execution.Seventeen-year-old Charlaina (Charlie for short) can understand all languages, a dangerous ability she's been hiding her whole life... moreIn the violent country of Ludania, the language you speak determines what class you are, and there are harsh punishments if you forget your place—looking a member of a higher class in the eye can result in immediate execution.Seventeen-year-old Charlaina (Charlie for short) can understand all languages, a dangerous ability she's been hiding her whole life. Her only place of release is the drug-filled underground club scene, where people go to shake off the oppressive rules of the world they live in. There, she meets a beautiful and mysterious boy who speaks a language she's never heard, and her secret is almost exposed. Through a series of violent upheavals, it becomes clear that Charlie herself is the key to forcing out the oppressive power structure of her kingdom. less

“Danger, dread, mystery, and romance” (Booklist) continue in the second book of The Pledge trilogy, as Charlie’s reign is under siege from the most unusual of enemies. At the luminous conclusion of The Pledge, Charlaina defeated the tyrant Sabara and took her place as Queen of Ludania. But Charlie knows that Sabara has not disappeared: The evil queen’s Essence is fused to Charlie’s psyche, ready to arise at the first sign of weakness. Charlie is not weak, but she’s being pushed to the brink... more“Danger, dread, mystery, and romance” (Booklist) continue in the second book of The Pledge trilogy, as Charlie’s reign is under siege from the most unusual of enemies. At the luminous conclusion of The Pledge, Charlaina defeated the tyrant Sabara and took her place as Queen of Ludania. But Charlie knows that Sabara has not disappeared: The evil queen’s Essence is fused to Charlie’s psyche, ready to arise at the first sign of weakness. Charlie is not weak, but she’s being pushed to the brink. In addition to suppressing the ever-present influence of Sabara, she’s busy being queen—and battling a growing resistance determined to return Ludania to its discriminatory caste system. Charlie wants to be the same girl Max loves, who Brook trusts, but she’s Your Majesty now, and she feels torn in two. As Charlie journeys to an annual summit to meet with leaders of nearby Queendoms—an event where her ability to understand all languages will be the utmost asset—she is faced with the ultimate betrayal. And the only person she can turn to for help is the evil soul residing within. less

True love—and world war—is at stake in the conclusion to The Pledge trilogy, a dark and romantic blend of dystopia and fantasy. Charlie, otherwise known as Queen Charlaina of Ludania, has become comfortable as a leader and a ruler. She’s done admirable work to restore Ludania’s broken communications systems with other Queendoms, and she’s mastered the art of ignoring Sabara, the evil former queen whose Essence is alive within Charlie. Or so she thinks... moreTrue love—and world war—is at stake in the conclusion to The Pledge trilogy, a dark and romantic blend of dystopia and fantasy. Charlie, otherwise known as Queen Charlaina of Ludania, has become comfortable as a leader and a ruler. She’s done admirable work to restore Ludania’s broken communications systems with other Queendoms, and she’s mastered the art of ignoring Sabara, the evil former queen whose Essence is alive within Charlie. Or so she thinks. When the negotiation of a peace agreement with the Queendom of Astonia goes awry, Charlie receives a brutal message that threatens Ludania, and it seems her only option is to sacrifice herself in exchange for Ludanian freedom. But things aren’t always as they seem. Charlie is walking into a trap—one set by Sabara, who is determined to reclaim the Queendoms at any cost. less