Vampire Academy 1: Blutsschwestern

Blurb

Vampire Academy is an American best-selling series of six young-adult paranormal romance novels by author Richelle Mead. It tells the story of Rosemarie "Rose" Hathaway, a seventeen/eighteen-year-old Dhampir girl, who is training to be a guardian of her Moroi best friend, Vasilisa "Lissa" Dragomir. In the process of learning how to defeat Strigoi in St. Vladimir's Academy, Rose finds herself caught in a forbidden romance with her instructor, Dimitri Belikov, while having an unbreakable psychic bond with Lissa.
The first book in the series, Vampire Academy, was published in 2007; it was followed by Frostbite in 2008. The third book in the series, Shadow Kiss was published also in 2008, and the fourth book, Blood Promise, was published in 2009. The fifth book, Spirit Bound, and the sixth book, Last Sacrifice, were released in 2010. As of 2013, the series has sold 8 million copies in 35 countries.
A Vampire Academy film, directed by Mark Waters and starring Zoey Deutch, Lucy Fry, Danila Kozlovsky, Olga Kurylenko and Gabriel Byrne was released by The Weinstein Company on February 7, 2014.