Enigma : how breaking the code helped win World War II

Enigma : jagten på nazisternes kodemaskine

Stephen Harper

Station X : the codebreakers of Bletchley Park

Michael Smith

Code warriors : NSA's codebreakers and the secret intelligence war against the Soviet Union

Stephen Budiansky

Alan Turing - the enigma : the book that inspired the film The Imitation Game

Andrew Hodges

Enigma : the battle for the code

Hugh Sebag-Montefiore

Ultra versus U-Boats : Enigma decrypts in the National Archives

Roy Conyers Nesbit

Kodebogen : videnskaben om hemmelige budskaber - fra oldtidens Ægypten til kvantekryptering

Simon Singh

Talemåder i dansk : ordbog over idiomer

Stig Toftgaard Andersen

Quiet : the power of introverts in a world that can't stop talking

Susan Cain

Why has nobody told me this before?

Julie Smith