Book summary

George Smiley feels himself to be something of a dinosaur roaming the halls of the British Secret Service. An agent of the old-school, Smiley is called back to service one last time before retiring. When a member of the Foreign Office commits suicide following a routine interview with Smiley, the case quickly spirals outwards to involve an assortment of shady characters, both foreign and national, none of whom are what they seem to be and all with several hidden agendas.