National Treasure: Book of Secrets is a 2007 adventure film. It is the sequel to the 2004 film National Treasure. It was directed by Jon Turteltaub and produced by Jerry Bruckheimer.
It was stated in the first film's commentary that there were no plans for a sequel, but due to the first film's impressive box-office performance, earning $347.5 million worldwide, a sequel was given the go-ahead in 2005. After 38 days of release, the sequel out-grossed the original with $441.8 million being earned worldwide.