'Don't come after us ... remember the first thing I ever taught you - that your first duty is to stay alive'
For some time now, Zack Darke has been operating solo, in total secrecy, for a shadowy government organisation.
When his handlers are abducted by somebody with a serious personal vendetta against him, Zak has no choice but to go after them. And heading across the world to find them - into danger like he's never known - is something that, this time, he cannot do alone . . .
This is Book 6 in the Agent 21 Series. See all Agent 21 books here.
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Chris Ryan served in the SAS for ten years and was awarded the Military Medal for his work under cover in Iraq. He now travels the world as a security expert, putting all his real-life experience into his books and TV shows.More about Chris Ryan