AN ANCIENT VIKING CITY IN NORTH AMERICA MAY MEAN THE END OF THE MODERN WORLD Hidden in a newly discovered cave in Pueblo, Colorado, archaeologists and researchers have found evidence of a Viking presence, alongside early Native American cultures. Even more intriguing, the evidence points to the fabled "city of gold," known as El Dorado. The proof is the Coelho medallion is the Rosetta stone of the discovery. And when it's stolen, it sets off a chain reaction of intrigue and danger. MEET DR. DAN KOTLER-ARCHAEOLOGIST, POLYMATH, OCCASIONAL FBI CONSULTANT PRETTY MUCH ALWAYS IN TROUBLE Dr. Dan Kotler has the sort of enviable career that most archaeologists dream of-world travel, speaking engagements, television appearances, even invitations to A-list parties. But when his ex-girlfriend is abducted, following the theft of the Coelho medallion, Kotler finds himself embroiled in an ever-evolving terrorist plot that could end in the deaths of millions. Partnering with FBI Agent Roland Denzel, Kotler must rush to solve the riddle of the Coelho medallion before this ancient Viking settlement isn't the only thing lost to history. THE COELHO MEDALLION IS THE FIRST BOOK IN THE DAN KOTLER ARCHAEOLOGICAL THRILLER SERIES Find more thrills at HistoricCrimes.com