John le Carré wrote 9 George Smiley novels. There order is below –

Call for the Dead – 1961 – Podcast Part 1 and Part 2

A Murder of Quality – 1962 – Podcast

The Spy Who Came in from the Cold – 1963

The Looking-Glass War – 1965 – Podcast Part 1 and Part 2

Tinker, Tailor, Soldier, Spy – 1974

The Honourable Schoolboy – 1977

Smiley’s People – 1979

The Secret Pilgrim – 1990

A Legacy of Spies – 2017

Two books featured characters that had appeared or were mentioned in The Secret Pilgrim but do not include George Smiley –

The Russia House – 1989

The Night Manager – 1993