The past is always present in this time jumping thriller. In the 1500s the astrologer and magician Dr John Dee embarks on a quest for a jar with amazing properties. He is tasked by the Queen to employ his find to save the nation in its hour of need. 400 years later a couple honeymooning in Cornwall stumble upon the jar, and soon discover that they are the targets of those who seek it for their own ends and who will stop at nothing to get it. Perfect for fans of Philip Pullman, Tom Harper and Dan Brown, this exciting time spanning adventure will grip you until the very end.