The Martin Beck Series is a collection of detective novels written by Swedish authors Maj Sjöwall and Per Wahlöö. The series, which consists of ten books published between 1965 and 1975, follows the investigations of Martin Beck, a police detective in Stockholm. The stories are known for their realistic portrayal of police work and social issues in Sweden. The series is often credited with pioneering the Scandinavian crime fiction genre, influencing many authors worldwide. Each book delves into different cases, showcasing Beck's character development and the dynamics of his team, while also reflecting the changing society of the time.