1635: a war veteran, troubled by visions of the future, enters the Pantheon in Rome. He seeks answers. He needs redemption. A five year old girl, and her female-line descendants in the present day, hold the key to the future of humanity,
This is so good, I actually wrote a whole blog post about how good it is: http://northbynorthweston.blogspot.com/2015/08/this-book-is-really-truly-greatand-no.html