Last Sacrifice Book by Richelle Mead

"Last Sacrifice" follows Rose Hathaway, a dhampir with a strong bond to her vampire best friend Lissa Dragomir. In a world where vampires and dhampirs coexist, Rose faces numerous challenges, including political intrigues and the constant threat of Strigoi, immortal and evil vampires.

The story revolves around Rose, who is accused of murdering Queen Tatiana Ivashkov, a charge she vehemently denies. To prove her innocence, Rose embarks on a quest to uncover the real murderer. Along the way, she faces numerous obstacles, encounters old and new allies, and discovers shocking truths about herself and the vampire world.

The plot is filled with suspense, romance, and unexpected twists as Rose navigates a complex web of relationships and confronts the ultimate sacrifices. The novel explores themes of loyalty, love, and the consequences of one's choices in a supernatural world. As the final installment in the series, "Last Sacrifice" brings the narrative to a thrilling and satisfying conclusion.