"Sasha" is a book that tells the story of a 15-year-old girl with a difficult fate. Sasha lost her father in early childhood and grew up with her mother, who works two jobs to support the family. At school, the girl is bullied by her classmates and feels lonely. One day, while walking in the park, she finds an old diary that changes her life. It belonged to a former student of the same lyceum where Sasha studies, and it turns out that their stories have a lot in common. In order to understand himself and find a way out of a difficult situation, Sasha plunges into the world of past events and does everything possible to change his future. "Sasha" is a book about inner search, self-belief and the importance of fate, which brings our paths together with other people.