Spirit Crossfire — Stephen Thompson

Spirit Crossfire is book number 5 of the Crossfire Novel series. As the Crossfire Team battles unknown enemies launching attacks against the team's members, a reclusive billionaire invites the Malones to his island in the Pacific Ocean. As the Malones fight for their lives on the island they uncover a horrific plan about to destroy the nation of Israel.

The team's investigation leads to a mysterious group known only as the NIL. Warned by heaven that the NIL are about to deploy a deadly bioweapon they believe will kill only the children of their enemies. Satan knows the poison will eliminate all children under thirteen throughout the entire world.

As the action races to a climax against the NIL, Jack and Laura Malone are faced with a demonic force that offers them their lives if they will give up the Holy Treasure of God that Jack defends.