The Hidden Sister - History Unveiled is not easy to describe without creating the impression it is something it is not. Like most authors, Olivia Osborne takes us on a journey, but it is not one we have been on before. What is often perceived as one of the most renowned stories of all time, has been turned into a catalyst for change that is centuries overdue. If the theories put forward one day herald a search for the truth, the powers that be in Vatican City would be brought to their knees. In taking this journey you will arrive at a destination, but be prepared for it to be somewhere new. Should that not be the point of every journey we take?