Strangers on a train - Patricia Highsmith

The classic thriller behind the Hitchcock film, and Highsmith's first novel - soon to be remade by David Fincher, director of Gone Girl, with a screenplay by Gillian Flynn.

The psychologists would call it folie a deux . . .

'Bruno slammed his palms together. "Hey! Cheeses, what an idea! I kill your wife and you kill my father! We meet on a train, see, and nobody knows we know each other! Perfect alibis! Catch?'''

From this moment, almost against his conscious will, Guy Haines is trapped in a nightmare of shared guilt and an insidious merging of personalities.

'The No.1 Greatest Crime Writer' The Times