#audibleProductTitle #title { font-weight: 400; hyphens: auto; } Shadow Zone

While mapping the ancient underwater city of Marinth in the Atlantic Ocean, submersible designer Hannah Bryson makes a shocking discovery: she may have finally uncovered the truth about the once-glorious city’s mysterious demise.

Long ago, it was a thriving metropolis bursting with culture and life – Marinth’s sudden disappearance has puzzled scientists for years.

But now, with her unexpected new findings, Hannah realizes that the ancient city’s explosive secret could have dire consequences for the modern-day world.