Author of eight #1 bestselling novels, including the infamous The Da Vinci Code—which is one of the bestselling books of all time—Dan Brown is sure to be a name you’ve heard before.
Although Brown has written two standalone books, Digital Fortress and Deception Point, the mystery and thriller-driven Robert Langdon series is by far the magnum opus of his career.
The series follows the titular character, a Harvard professor who embarks on treasure hunts featuring elaborate symbols and conspiracies that lead him to unravel world-shattering secrets. Three books in the series have since been adapted into high-grossing films, starring Tom Hanks in the lead role as Robert Langdon.
Now, Dan Brown is back with the sixth installment in the series, where, this time, the esteemed professor travels to Prague to hear a lecture from Katherine Solomon—a noetic scientist, with whom Langdon is also romantically involved.
She is about to release a book that contains startling information on the nature of human consciousness—that, as her ensuing disappearance demonstrates, people want to keep hidden.
Soon, Langdon becomes the target of a powerful organization, headed by an ancient adversary who seeks to put an end to his questions. His mission to find Katherine will take him around the globe in a thrilling race to uncover a secretive project that will forever alter the world's perception of the human mind.
To prepare for Robert Langon’s newest adventure, enter for a chance to win the previous installments in the series, courtesy of Doubleday!
This giveaway is open from July 25 through midnight on August 4, 2025.
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About the Dan Brown Bundle

The Da Vinci Code
Harvard symbologist Robert Langdon receives an urgent late-night phone call: the elderly curator of the Louvre has been murdered inside the museum. Near the body, police have found a baffling cipher.
While working to solve the enigmatic riddle, Langdon is stunned to discover it leads to a trail of clues hidden in the works of Da Vinci, yet ingeniously disguised by the painter.
Langdon joins forces with a gifted French cryptologist, Sophie Neveu, and matches wits with a faceless powerbroker who seems to anticipate their every move.
Unless they can decipher the labyrinthine puzzle in time, an explosive historical truth will be lost forever.

The Lost Symbol
Robert Langdon is summoned at the last minute to deliver an evening lecture in the Capitol Building in Washington. Within moments of his arrival, however, a disturbing object is discovered.
It is, he recognizes, an ancient invitation, meant to beckon its recipient towards a long-lost world of hidden wisdom.
When Langdon's revered mentor, Peter Solomon, is brutally kidnapped, Langdon realizes that his only hope of saving his friend's life is to accept this mysterious summons and follow wherever it leads him.

Inferno
Robert Langdon awakens in a hospital bed with no recollection of where he is or how he got there. Nor can he explain the origin of the object that is found hidden in his belongings.
A threat to his life will propel him and a young doctor, Sienna Brooks, into a chase across the city of Florence. Only Langdon’s knowledge of ancient secrets can save them from the clutches of their unknown pursuers.
With only a few lines from Dante’s epic masterpiece to guide them, they must decipher codes buried deep within some of the most celebrated artefacts of the Renaissance and find the answers to a puzzle which may help them save the world from a terrifying threat…

Origin
Robert Langdon arrives at the Guggenheim Museum Bilbao to attend a major announcement. The evening's host, Edmond Kirsch, is about to reveal an astonishing breakthrough, one that will answer two of the fundamental questions of human existence.
But the meticulously orchestrated evening suddenly erupts into chaos, and Kirsch's precious discovery teeters on the brink of being lost forever.
Langdon is forced to escape Bilbao with Ambra Vidal, the elegant museum director, and together they flee to Barcelona on a perilous quest to locate a cryptic password that will unlock Kirsch's secret.
For full details, see the official rules.
Note: The sweepstakes is open to all legal residents of the 50 United States and Washington, DC who are 18 years of age and older by August 4, 2025.