
by Dan Brown · labutxaca · libro de bolsillo · ISBN 9788419971968
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A thrilling and dizzying thriller that transports readers to the heart of one of the world's most secret organizations: the National Security Agency. Dan Brown's first novel. A mysterious and indecipherable code will shake the highest spheres of power. When the sophisticated supercomputer of the NSA - the most powerful intelligence agency in the world - intercepts a code that it is unable to decipher, it must turn to its most qualified cryptographer, Susan Fletcher. Fletcher will discover something that will shake the elites of the country: an intricate code that, if made public, could cause the greatest disaster in the history of the intelligence services of the United States. Trapped in a spiral of secrets and lies, Fletcher wants to save the agency, but, betrayed by all sides, she soon realizes that she will have to fight not only for her country but also for her life.

Daniel Gerhard Brown is an American writer best known for his thriller novels, particularly the Robert Langdon series Angels & Demons (2000), The Da Vinci Code (2003), The Lost Symbol (2009), Inferno (2013), Origin (2017) and The Secret of Secrets (2025). His novels are treasure hunts that usually take place over a 24-hour period and center on recurring themes of cryptography, art, and conspiracy theories.