Dark Side of the Moon

The OPSIG team must literally leave Earth to save it in this "thriller ride of a lifetime" from the USA Today-bestselling author of The Lost Codex (Gayle Lynds).

In 1972, Apollo 17 returned to Earth with two hundred pounds of rock-as well as something far more dangerous than they could have imagined. For decades, the military concealed the crew's mysterious discovery. But now a NASA contractor has leaked the intel to conspiring foreign powers, putting in their hands the most powerful weapon...