Shadow Of The Dragon by Marc Cameron

When a pioneering Chinese scientist vanishes and an archaeologist disappears in the deserts of western China, a covert struggle erupts over a breakthrough that could tip the global balance of power. As state security moves to silence every loose end, the U.S. President and a deniable team chase threads from Washington to the Taklamakan, battling spies, cyber intrusions, and assassins to avert a wider conflict and orchestrate a daring extraction.

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