Robert Langdon, Harvard professor of symbology and religious iconology, arrives at the ultramodern Guggenheim Museum Bilbao to attend a major announcement - the unveiling of a discovery that "will change the face of science forever". But the meticulously orchestrated evening suddenly erupts into chaos, and Langdon is forced to escape Bilbao. With him is Ambra Vidal, the elegant museum director who staged the provocative event ... Stunningly inventive - Dan Brown's most brilliant and entertaining novel to date.