After going up against a man who believed he was the Devil, himself, Leah Tallent and Gareth Lowery are beyond exhausted. Now they are about to embark on the most terrifying journey imaginable . . . a trip to meet Leah's parents. When Leah arrives where the 'home fires burn, ' her sarcasm burns even brighter, while Gareth Lowery-the handsome adventurer-uses his charm to sway the 'odd' Tallent clan. But when a frightening call from Gareth's sister arrives telling him that her love has disappeared, the daring duo is soon running away from one horrific situation directly into another. A new puzzle from the past has come to life. Following clues left behind, the courageous couple becomes embedded in a world filled with liars, killers and greed. And when the riddle of a famous 'Bard, ' is solved, a strange woman appears who has far more in common with Leah than she can possibly imagine. The heart-stopping suspense of this new quest takes them from Coptic Cairo to the magical world of Petra, in search of a cave deep underground that once housed a true 'Illuminator.' Yet again, they must find the answers and stay one step ahead of true villains who are determined to make sure that-this time-Tallent & Lowery do not survive. Join the action as the passionate team who readers fell in love with in "13," end up unlocking an ancient mystery that no one is ever going to believe