Mr. Monk is Cleaned Out is the tenth novel written by Lee Goldberg to be based on the television series Monk. It was published on July 6, 2010. Like the other novels, the story is narrated by Natalie Teeger, Monk's assistant.
During a financial crisis, the San Francisco police department fires Adrian Monk as a consultant.Natalie Teeger learns that Monk invested his life savings with Bob Sebes, an investor who has just been arrested on charges of running a ponzi scheme that has ruined millions of lives. The key witness in the Sebes case is murdered, leaving Monk to consider him the prime suspect, except Sebes is under house arrest with constant guard and continuous media scrutiny.