„a clumsy, hectoring, conspiracy-minded message-novel meant to drive home the argument that American imperialism poses a grave danger to the new world order“, „It is simplistic where his earlier novels were sophisticated; dogmatic where those books were skeptical.“ Zitate nach: Michiko Kakutani : Book of the Times: Adding Reality’s Worries to a Thriller. In: The New York Times vom 7. Januar 2004.
„If he was seething when he wrote The Constant Gardener, he is now incandescent.“ Zitat aus: Robert McCrum: A master’s voice. In: The Observer vom 7. Dezember 2003.
„le Carré’s anger comes across as a bit too raw to work as fiction, its rhetoric more in line with a Harold Pinter column than a Graham Greene novel“ Zitat aus: Stephen Amidon: Dispatches from an angry old man. In: The Sunday Times vom 14. Dezember 2003.
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„a work of fist-shaking, Orwellian outrage.“ Zitat aus: Lev Grossmann: The Spy In Winter. In: Time vom 3. Januar 2004.