Mark Sheppard

During the American Civil War, five northern POWs make the decision to escape the war by hijacking a hot air balloon. Drifting through the night, ...

When an unknown underwater object disables an American nuclear-powered submarine and attacks a submerged Arctic research complex, a scientific ...

Twenty five years ago, the SS Corona Queen disappeared in the region known as, “The Bermuda Triangle”. Now, it has returned. Seven ...

Paleontologist Robert Trenton is called to Northeastern Antarctica near the Indian Ocean to help the FBI build an underground maximum-security ...