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

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". Steel (Sentinel Security Book 4 - Anna Hackett....

The book features a large ensemble cast from previous installments, including members of the Norcross Security series in a slight crossover. The protective leader of Sentinel Security who left

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

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

, 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