The Night Manager by John le Carre

To catch a criminal, he must become oneJonathan Pine, night manager of a luxury Swiss hotel, has a secret. He knows that the guest he awaits, billionaire trader Richard Roper, is `the worst man in the world.' And he knows why. Pine will do whatever it takes to help the Intelligence services bring Roper down - even if it means going deep undercover into a ruthless, lawless world, up against forces more dangerous than he can imagine.
Binding: Paperback / softback