The Spy Who Came In from the Cold (George Smiley, #3)

John le Carré

The Silkworm (Cormoran Strike, #2)

Robert Galbraith

Slow Horses (Slough House, #1)

Mick Herron

Tinker, Tailor, Soldier, Spy (George Smiley, #5; Karla Trilogy, #1)

John le Carré