<P> A special edition, called the "National Treasure Presidential Edition", contains National Treasure and National Treasure 2: Book of Secrets inside a letter book which is a replica of the Presidents' secret book from National Treasure 2: Book of Secrets . </P> <P> Disney Press published an official novelization of the screenplay titled National Treasure 2: Book of Secrets The Junior Novel on November 6, 2007 . Parts of the story in the novel version differ slightly from what was actually filmed, owing to changes being made in the screenplay prior to and during production . For example, in the novel, Ben and Abigail photograph the wooden plank found hidden in the Queen's desk and leave it behind, with the car chase following . But in the movie, they take the plank with them on the chase . </P> <P> Also published on the same day as the official novelization was a companion youth novel Changing Tides: A Gates Family Mystery by Catherine Hapka . Its story is set in England in the year 1612 and is the first in a series of planned historical novels about the Gates family . The epilogue from Changing Tides is included at the back of the National Treasure book . The second youth novel by Hapka, Midnight Ride: A Gates Family Mystery, was published on March 8, 2008 . </P> <P> Director Jon Turteltaub said that the team will take their time on a second National Treasure sequel, but Disney has already registered the domains for NationalTreasure3DVD.com and NationalTreasure4DVD.com . Though the second film ended with the question about page 47 of the President's book of secrets, Turteltaub responded in a press interview that the idea was not set in stone as the basis for National Treasure 3 . </P>

Where was national treasure book of secrets filmed