Ting, Mary. International Senosry Assassin Network novels

Allegiances will be tested. Identities will be revealed. No one is safe. While searching for the HelixB88 anti-serum on the black market, Ava uncovers valuable intel that may help the rebels in their fight to bring down ISAN-the location of a hidden facility. But first, the insurgents must find the female citizens unexpectedly displaying powers without use of the Helix serum before ISAN captures them. As the rebels join forces with other sectors, ISAN plans their destruction by using someone they don't suspect at the rebel home base: a traitor within

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