Impostors Series in Order by Scott Westerfeld

"Youngbloods" is the fourth book in the "Imposters" series by Scott Westerfeld. The book follows Frey, a rebel Special who has spent her life in a family of deceivers, as she tries to come to terms with herself and her past. Frey was once her sister's body double and bodyguard, manipulated at her father's command. However, after the fall of Shreve, Frey has lost everything, including her sister, Rafia, who murdered their father and took both Col and Frey's name from her. Free from her family at last, Frey is finding her own way in the world and trying to make sense of who she is. The book explores themes of identity, family, and rebellion, as Frey navigates a dangerous world of politics and power struggles.

Mirror's Edge is the third book in Scott Westerfeld's Impostors series. In this heart-stopping installment, the danger escalates and the deception deepens. The story follows Frey, who, along with her love interest Col, must assume new identities and bodies to infiltrate the city of Shreve. Their mission involves a daring plan to drop from the sky and land undetected. As they navigate this treacherous world, Frey's sister Rafi plays a significant role. The book explores themes of rebellion, sacrifice, and the complexities of family dynamics. With high stakes and a race against time, Frey must confront her father's oppressive rule and work to save her city. Mirror's Edge offers a thrilling and suspenseful narrative that keeps readers on the edge of their seats.

"Impostors" is the first book in a new spin-off series set in the same world as the Uglies series by Scott Westerfeld. The story follows Frey, the secret twin sister and body double to Rafi, who is the heir to the first family in charge of the city Shreve. Frey has been raised in the shadows of their rich father's fortress and has been taught to kill, while Rafi has been taught to charm. Frey's sole purpose is to protect her sister, and she has never been out in the world on her own until her father sends her in Rafi's place to act as collateral for a dangerous deal. As Frey navigates this new world, she must decide who she can trust, including Col, the son of a rival leader who is starting to see through her disguise. The stakes grow higher as Frey must make difficult choices and determine her own path.