DEADLY WEAKNESS is the fifth book in the Gray Spear Society series, which began with APOCALYPSE CULT. The Gray Spear Society is under attack by an unknown threat. The team in Miami was overrun, and the team in San Francisco was completely destroyed. The assaults were executed with military precision and devastating swiftness. A traitor inside the Society is providing the enemy with critical intelligence. Aaron must discover the traitor and stop the attacks before another team is lost. To pull it off, he'll need a plan clever enough to fool his own people. Everybody is a pawn in this game.
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