Dr. Rachel Lance (Photo: © Carolyn Scott Photography)

In the winter of 1864 the crew of the civil war submarine H. L. Hunley successfully sank the Union warship USS Housatonic, but her crew never returned home. Leaving Dr Rachel Lance Biomechnical Engineer from Duke University to solve the mystery.

From her Author’s Page on Penguin Random House;

Rachel Lance is a biomedical engineer and blast-injury specialist who works as a scientific researcher on military diving projects at Duke University. Before returning to graduate school to earn her PhD, Dr. Lance spent several years as an engineer for the United States Navy, working to build specialized underwater equipment for use by navy divers, SEALs, and Marine Force Recon personnel. Her doctoral work presented the first equations to predict the risk of injury and fatality from underwater explosions and has already received numerous international citations. A native of suburban Detroit, Dr. Lance lives with her husband in Durham, North Carolina.