Unstoppable book 3 countdown 39 clues, life or death clock has run out for 13 year old Dan Cahill his head of the most powerful family the world has ever known he and his older sister Amy have been in the crosshairs for so long. Dan and Amy have always managed to stay a step ahead their enemies but it was only a matter of time until it failed them now Dan is hopelessly trapped and nothing can save him. nothing except unleashing and evil into the world even worse than the enemy closing in. as Dad hovers between life and death. Amy has a terrifying decision to make just how far is she willing to go to save her little brother? & demigod diaries includes short new short stories games and more