The Ipcress File

The Russia House

John le Carré

1989

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The Odessa File

Frederick Forsyth

1972

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Six Days of the Condor

James Grady

1974

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The Boys from Brazil

Ira Levin

1976

Covers from OpenLibrary

The Eagle Has Landed

Jack Higgins

1975

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Where Eagles Dare

Alistair MacLean

1967

Covers from OpenLibrary