Fans frequently highlight the "power couple" dynamic, noting that Killian respects Devyn's capabilities rather than trying to diminish her. Series Reading Order

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.

A fierce, independent agent who matches Killian's skills and refuses to be a "damsel in distress".

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.

, the fourth installment in Anna Hackett's Sentinel Security series , was released on January 26, 2023 . This action-packed romantic suspense centers on Killian "Steel" Hawke, the founder of Sentinel Security, and CIA deep-cover agent Devyn "Hellfire" Hayden. Plot Overview