Despite mixed-to-negative critical reception, the films are considered box office successes, having a combined gross total of $1.5 billion worldwide. 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). The films, based on the novel series written by Dan Brown, center on the fictional character of Robert Langdon. The Robert Langdon franchise consists of American action- adventure mystery- thriller installments, including three theatrical films directed by Ron Howard, and a television series.