This book by D. Clarke finally resolves the basic questions of Oak Island Mystery in a way no other book explains and it looks like this author has solved the main part of the mystery and side mysteries not revealed the same by other past writers about Oak Island's Treasure or Prospecting System especially in regards to the periods when the Island was Exploited. The book best explains the pre history of Oak Island as to the 'Who, When and Where' like a Stonehenge decoder. He also proves the main time line of its foundation as the pits are known and even explains the terraces! A word smith and geography language expert Clarke peels the layers and even proves its not Maya but much Older and yet more recent in the true history of Oak Island. This is a must have work to read and invaluable prediction of future archaeology and mining around Oak Island. Essentially, Clarke has not only proved the associations and speculations but the code and the secret is out. Oak Island background mystery wont be the same now that Clarke has written this book but he brings up more mysteries and so it still continues the mystery for the future treasure archaeologists of pirates to wonder how Clarke did it first before items were actually found.