National Treasure: Book Of Secrets continues to prove box office gold - the sequel is America's number one film for a third successive week. The Nicolas Cage movie took $20.2 million over the weekend, taking its total domestic haul to $171 million.

Climbing up a place to two is I Am Legend, which took $16.4 million, while Juno is at three with $16.2 million.

Rounding out the top five are Alvin And The Chipmunks and One Missed Call, which took $16 million and $13.5 million, respectively.

(This news article provided by World Entertainment News Network)