Commander Henry Gallant (The Henry Gallant Saga #4)

Henry Gallant thought Alaina loved him, but now she’s found someone else. A tidal wave of loss and grief swept over him, leaving him undecided about what to do next, or how to move forward.

Despite his sorrow, he goes on a dangerous mission to an invading aliens’ home world in the Gliese-581 star system. There he uses a neural interface to penetrate their communication network and steal a high ranking alien’s identity. Through this artifice he learns about their history and society, and discovers a way to hinder and possibly defeat them.

A side-effect of linking into the alien network—which was created for autistic savants—is that Gallant’s mind is stimulated and enhanced to the point where he begins to experience superintelligence abilities.

Upon returning from his mission, there is concern that Gallant might pose a more serious threat than the aliens. While he struggles to fend off those who doubt his loyalty, he fights to win back Alaina.

This is the fourth book of The Henry Gallant Saga, but it can be read as a standalone story.