This collection bundles the next three books of the action-packed John Stone adventure. Head of the Serpent: A vicious new terrorist cell emerges. With the Hostile Response Division disbanded, John Stone wants to go back to a quiet life. But word of a tragic terrorist attack draws John back into the fight. Now he must find the leader of a new terror cell, and stop their plan to unleash chaos and destruction on a scale never before seen. The Hard Core: The war is on, and John is taking the offensive. Worlds collide when John joins forces with a Detroit homicide detective to bring down a sinister organization destroying young lives for financial gain. A privatized prison provider takes the battle to the streets to stop John. Now he must work with a group of unlikely allies from both sides of the law to fight back. Danger Close: The hunt continues as danger strikes too close to home. Now John Stone must pursue his quarry onto the enemy's home turf. As the battle threatens to claim another in John's inner circle, he is driven to lead the fight, chasing another power player in The Order's web of power and influence. But to do that, he and his team must step into dangerous territory.