The Atlantis Riddle - Dan Kotler, #2

ANCIENT SECRETS ARE SOMETIMES BURIED FOR A REASONIn 1914, Thomas Edison watches as his West Orange laboratory burns to the ground. As he surveys the fire, consuming his life's work, he touches an ancient artifact in his pocket, and smiles. Sixty years later, an Army SOG team recovers a cache of North Vietnamese intelligence, and discovers among the documents an identical artifact. The find becomes the foundation of a vast and powerful smuggling empire.
Today, someone is after both artifacts, and the secret they may reveal-the existence and location of the fabled lost city of Atlantis. Dr. Dan Kotler-Archaeologist, Polymath, and occasional FBI Consultant-returns, alongside his partner, Agent Roland Denzel. Together they race to discover the truth behind two artifacts with a long and bloody history. Can they solve the Atlantis Riddle, and recover a trove of Edison's lost treasures, before it all falls into the wrong hands? THE SECOND BOOK OF THE DAN KOTLER ARCHAEOLOGICAL THRILLERS