The "Darkling Trilogy" is a series of young adult fantasy novels written by author Leigh Bardugo. It consists of three books: Shadow and Bone, Siege and Storm, and Ruin and Rising. The story is set in a fictional world inspired by Tsarist Russia, where magic and dark forces play a significant role. The protagonist, Alina Starkov, discovers her unique powers and becomes embroiled in a battle against the oppressive Darkling. The trilogy explores themes of power, identity, and the struggle between light and darkness. As Alina navigates her new abilities and the complexities of her relationships, she faces challenges that test her courage and resolve. The series has gained popularity for its rich world-building and compelling characters, leading to adaptations in other media, including a television series on Netflix.