The Making of Dan Brown's The Lost Symbol

One week before the release of Dan Brown’s highly-anticipated new novel, The Lost Symbol, TODAY’s Matt Lauer took a look at the measures being taken to keep it under wraps. Watch the complete segment here.

The Lost Symbol will have a first printing of 5 million copies, and it will once again feature Dan Brown’s unforgettable protagonist, Robert Langdon.

Watch the video below for a more detailed look behind-the-scenes on the making of The Lost Symbol.