Does the remote Baltic island of Bornholm hold the key to an ancient secret? A secret that links it to the enigmatic village of Rennes-le-Château in the French Pyrennes and the tunnels beneath Mount Sion in Jerusalem? What is its connection with the Templar Knights, and what were they trying to hide on such a distant isle?THE TEMPLARS' SECRET ISLAND is a journey of awe-inspiring breadth and complexity, a journey that spans Europe and reaches into ancient Palestine, that first takes us thousands of years into the past and then back to our own time. It is a journey that casts new light on some of the most important enigmas of modern science.