
by Dan Brown · Bertrand, Livraria · tapa blanda · ISBN 9789722514699

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«Fortaleza Digital» is Dan Brown's techno-thriller novel, published in paperback by Bertrand (447 pages, in Portuguese).
NSA cryptographer Susan Fletcher must find out why the agency's secret supercomputer, capable of deciphering any message, stalls before an impossible code. While she investigates the enigma, her boyfriend David Becker searches in Seville for a ring that might hold the key, in a plot of conspiracies and secrets.
Portuguese edition of Digital Fortress, a novel originally published in English in 1998; translation by Mário Dias Correia.
For readers of techno-thriller and espionage novels, with intrigue around cryptography and intelligence services.

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.
