Greece at the time of the Colonels, 1973 - An archaeologist discovers a gold Mycenaean vase embellished with images of the last voyage of Ulysses. But his mysterious death and the vase's disappearance remain unexplained for ten years until disturbing signals catalyse different characters into a relentless pursuit for the truth.

The Oracle is another action-packed adventure from the bestselling author of the 'Alexander' trilogy, Spartan and The Last Legion.