Medusa (NUMA Files)

After an undersea lab conducting research on a rare jellyfish known as the Blue Medusa mysteriously disappears and a bathysphere harboring Joe Zavala is attacked by an underwater vehicle and left helpless on the sea floor, Kurt Austin puts the NUMA® Team on the case, a high-stakes endeavor that aims to save the lives of millions.

• The Navigator (The Numa Files)
• Lost City: From the NUMA Files - Kurt Austin
• The Storm (The NUMA Files)
• Devil's Gate (The NUMA Files)
• Polar Shift (NUMA Files)
• The Pharaoh's Secret (The NUMA Files)
• Fire Ice (The Numa Files)
• Sea of Greed (The NUMA Files)
• White Death (NUMA Files)
• Zero Hour (Numa Files)