The Robert Langdon franchise consists of American action-adventure mystery-thriller installments, including three theatrical films directed by Ron Howard, and a television series. The films, based on the novel series written by Dan Brown, center on the fictional character of Robert Langdon. Though based on the book series, the films have a different chronological order, consisting of: The Da Vinci Code (2006), Angels & Demons (2009) and Inferno (2016). Despite mixed-to-negative critical reception, the films are considered box office successes, having a combined gross total of $1.5 billion worldwide.