Teen spy, Zak Archer, takes a thrilling ride on the Orient Express to discover the identity of an MI5 mole in the fourth book of this action-adventure series.
Believed guilty of a murder he didn't commit, Zak Archer finds himself both hunter and hunted. Cut off from his fellow agents, he's caught up in a deadly chase and race against time. Can he clear his name before he is captured or killed?
The fourth title in this compulsive new series.
