
by Dan Brown · 11x17 gold · tapa blanda · ISBN 9789722526760

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«Fortaleza Digital» is Dan Brown's techno-thriller, published by 11x17 gold in paperback (480 pages, in Portuguese).
When the NSA's most secret decryption system encounters an impossible code, cryptographer Susan Fletcher and her fiancé, professor David Becker, become embroiled in a web of betrayals and conspiracies. The novel combines cryptography, espionage and dilemmas about state surveillance with mounting tension.
This Portuguese edition, part of the 'Livro de Bolso Gold' line, was released on May 1, 2013; the original title of the work, Digital Fortress, was published in 1998.
For readers of suspense and conspiracy thrillers who enjoy plots involving cryptography and espionage.

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.
