The Name of the Rose by Umberto Eco

A historical murder mystery set in an Italian monastery in the year 1327. The 1986 film adaptation directed by Jean-Jacques Annaud starred Sean Connery and Christian Slater.

Angels and Demons by Dan Brown​

Bestselling mystery-thriller novel featuring secret societies, ancient history, architecture, and symbology. A film adaptation was released in 2009, directed by Ron Howard.

The Hobbit by J R R Tolkien

Follows the quest of hobbit Bilbo Baggins, who journeys far from home to win a share of treasure and out-riddles the creature Gollum. Adapted for film by director Peter Jackson as a trilogy (2012, 2013, 2014).

The Imitation Game directed by Morten Tyldum

The 2014 American historical drama film based on the 1983 biography Alan Turing: The Enigma by Andrew Hodges.

Enigma by Robert Harris

Espionage thriller about the Enigma codebreakers of Bletchley Park in the Second World War. Adapted for film by director Michael Apted with screenplay by Tom Stoppard.

The Gold-Bug by Edgar Allan Poe

Short story about William Legrand, who is bitten by a gold-coloured bug and urges his friend, the narrator, to join an adventure after Legrand had deciphered a secret message.

Cryptonomicon by Neal Stephenson

A novel set in two different time periods, with World War II-era Allied codebreakers at Bletchley Park and their descendants in the 1990s employing cryptologic and computer technology to build an underground data haven.

Foucault’s Pendulum by Umberto Eco

A novel divided into 10 segments with references to Kabbalah, alchemy, and conspiracy theory. Refers to an actual pendulum designed by French physicist Léon Foucault to demonstrate the Earth’s rotation.

The Da Vinci Code by Dan Brown

Brown’s second novel featuring symbologist Robert Langdon, who joins forces with cryptologist Sophie Neveu after a murder in the Louvre Museum in Paris. The 2006 film adaptation was directed by Ron Howard.