Context:

Referenced when discussing what role Tom might play in Argentine politics of the 1970s - comparing him to a character in Greene's novel who is 'taken hostage by mistake.'

Context:

Mentioned as 'Graham Greene's novel' and described as 'a brilliant book about this priest kind of trudging across Mexico in the context of this war' referring to the Cristero War.

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Tom mentions he read this book: 'I read Brighton Rock. Thought it poor.' discussing Graham Greene's works.

Context:

Discussed as a book directly based on the Garbo case, a real intelligence operation involving double agent Juan Pujol

Context:

Referred to as 'Graham Greene's novel' where 'the agent basically invents a conspiracy where none exists, which then comes true'