Sarah Denning is a military journalist with the Army in the Middle East when her convoy is attacked and she's taken hostage. When former Army Ranger Gavin Black

Ava Jackson entered the military shortly after high school, but her mother's illness has forced her to request an early discharge. She already lost her father w

As a former field surgeon in Afghanistan, Heather Fontaine is used to life-or-death situations. She just didn't expect them to follow her home. When she returns

Honorably discharged from the Army after an explosion nearly killed her, former military psychiatrist Brooke Adams has set up shop to help others--but her days

"Sleep is one of the most important but least understood aspects of our life, wellness, and longevity ... An explosion of scientific discoveries in the last twe