| Author research links: |
| Books by Charles Cumming:
 | "A Colder War"
First published in 2014
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 | "A Foreign Country"
First published in 2012
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 | "The Trinity Six"
First published in 2011
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 | "Typhoon"
First published in 2008
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 | "The Spanish Game"
First published in 2006
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 | "A Spy by Nature"
First published in 2001
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 | "A Divided Spy"
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