Smiley's People is a 1979 spy novel by John le Carré. The novel features a British master-spy George Smiley. It is the third and final novel of the "Karla Trilogy", following Tinker Tailor Soldier Spy and The Honourable Schoolboy. From Wikipedia
Despite acclaim for his portrayal, the actor faces unexpected opposition from the author's estate for the Tinker Tailor Soldier Spy sequel.
