The novel “A Long Business” is the most significant and unusual work of the classic Russian detective, Leningrad prose writer Stanislav Vasilyevich Rodionov (1931–2010). The case lasts for a whole year, there is a confrontation between investigator Sergei Ryabinin, the constant hero of all the writer’s works, and an intelligent, sophisticated , strong-willed swindler Adelaide Kalyazina. The tense fabric of the investigation includes the investigator's diary with his thoughts and experiences, the everyday notes of the criminal with her very ambiguous philosophy, a lot of humor and memories, a lot of love and real male friendship, strong as tea - Ryabinin's favorite drink. In 1985, this novel was adapted The film “Walk the Line” was shot, directed by Yuliy Koltun, starring: Vadim Lobanov, Tatyana Vasilyeva, Mikhail Devyatkin.