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Deep below the deceptively beautiful waters of the Atlantic Ocean, guarded by hundreds of dolphins, lie the astonishing remains of a mysterious lost city much like the legendary Atlantis. While mapping the ancient underwater metropolis of Marinth, marine architect Hannah Bryson makes a shocking discovery: She may have finally uncovered the truth about the once-glorious city’s mysterious demise. Marinth’s sudden disappearance has confounded scientists for years, but now, with the revelation of a key artifact, Hannah realizes that the long-buried city’s explosive secret could have dire consequences for the modern-day world. But she isn’t the only one who realizes it. The artifact is hijacked, and Hannah stands alone between a power-hungry enemy and widespread destruction.



About the Author

Iris Johansen

Iris Johansen is a bestselling author. She began her writing after her children left home for college. She first achieved success in the early 1980s writing category romances. In 1991, Johansen began writing suspense historical romance novels, starting with the publication of . In 1996 Johansen switched genres, turning to crime fiction, with which she has had great success. She lives in Georgia and is married. Her son, , is an Edgar Award-winning screenwriter and novelist. Her daughter, Tamara, serves as her research assistant. IRIS JOHANSEN is The bestselling author of , and more. And with her son, Roy Johansen, she has coauthored and



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