She opens a case she cannot close. If he helps her solve it, he will die. FBI Cybercrime Special Agent Stella Evans finds the last surviving computer consultant who holds the key to destroying a terrorist organization’s global network, but Cayson Yang may not live long enough to dismantle the computer system. * * * Zero Sum is book 1 in USA Today bestselling author Jan Thompson’s Binary Systems romantic suspense series, a precursor to her inspirational international thrillers (that will feature Cayson Yang’s cousin, Leland Yang-Joule). The Chaos... Computer network specialist Cayson Yang’s struggling network infrastructure company has received a rash of new clients lately, the total income of which finally puts Binary Systems, Inc., in the black for the first time ever. He is now able to give pay raises to himself and his business partner and cousin, Leland Yang-Joule, and bonuses to his employees. Cayson dreams of a bigger office space for them all. Somewhere between two dollars in his bank account and a two-million-dollar computer network contract, Cayson finds himself in the crosshair of the world’s most notorious terrorist organization, now coming after him, his business partner and his family. Ignoring repeated warning lights might have been Cayson’s downfall, but it’s too late for him to backtrack now that his enemies have implanted a cybernetic kill switch in his head. The Crime... Assigned to the National Cyber Investigative Joint Task Force, FBI Special Agent Stella Evans finishes assisting her colleagues from the Counterterrorism Division to apprehend a notorious terrorist. On trial in Europe for war crimes too numerous to list, Molyneux refuses to help the authorities dismantle her sophisticated international computer network. The only alternative is to find the architects of this network and hope they will cooperate. Shutting down Molyneux’s underground computer network is the best way to destroy those mercenary terrorists for hire. However, the terrorist organization doesn’t want to be outdone. A successor is named, and they begin to kill off anyone who has worked on the underground network in the past. The Crisis... By the time Stella reached Binary Systems, most of the original computer specialists who worked for Molyneux are either dead or have disappeared—except their fearful leader, Cayson Yang, the final link, kept alive for reasons unknown. Stella finds herself at a crossroad between duty and following Cayson and the cybernetic implants in his head. She stands to lose not only her carefully cultivated career but, more dangerously, her closely guarded heart as she decides what to do with the Pandora’s box she has opened… * * * ZERO SUM debuts in the KILL ZONE: TEN DEADLY THRILLERS anthology boxed set, available on October 3, 2017.