There are 3 books in the Headstrong series. The newest book is Overcome which came out in 2019.

1
Improvise

Book cover of Improvise
Elizabeth Bennet never wanted to be a hero. She'll just have to deal with it.

A few months after teaming up with Major Richard Fitzwilliam to thwart a terrorist attack in Europe, USMC Staff Sergeant Elizabeth Bennet is back in the States as a civilian. Her training in cyber-security makes…
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2
Adapt

Book cover of Adapt
Finally, everything is going perfectly for Will Darcy. It doesn't last.

The holidays are approaching, and Will has a lot to be thankful for. His cousin Richard is finally coming home from the Marines, his sister Georgiana is flying back from university for a visit, and he's in love with…

3
Overcome

Book cover of Overcome
Elizabeth Bennet doesn't like to dwell on the past. It doesn't stop her past from coming after her with a vengeance.

It's been a stressful Christmas for Elizabeth. She's working thousands of miles from home and is out of contact with everyone she loves. She's trying to keep her mind…