In reading order
Call for the Dead
John le Carré
A Murder of Quality
John le Carré
The Spy Who Came in from the Cold
John le Carré
The Spy Who Came in from the Cold
John le Carré
The Looking Glass War
John le Carré
The Looking Glass War
John le Carré
Tinker, Tailor, Soldier, Spy
John le Carré
Tinker Tailor Soldier Spy
John le Carré
The Honourable Schoolboy
John le Carré
The Honourable Schoolboy
John le Carré
Smiley's People
John le Carré
Smiley's People
John le Carré
The Secret Pilgrim
John le Carré
The Secret Pilgrim
John le Carré
A Legacy of Spies
John le Carré
Call for the Dead
John le Carré