Steel (sentinel Security Book 4 - Anna Hackett.... Instant

While Steel is written as a standalone, many readers recommend following the series order to better understand the secondary characters and team dynamics:

The protective leader of Sentinel Security who left the CIA to protect his family and friends. Steel (Sentinel Security Book 4 - Anna Hackett....

The story follows , a former CIA operative turned billionaire, and Devyn Hayden , a dedicated loner and one of the CIA's top deep-cover agents. After years of simmering tension and occasional run-ins, the two are forced to collaborate when they discover they are both on the "Top Ten" kill list of a deadly assassin targeting elite global intelligence agents. While Steel is written as a standalone, many