Zero Margin (Avi Stern Book 1)

When the network reactivates, the man who built it becomes the target.Avi Stern built a covert network designed to outlast silence, distance, and denial. It was meant to stay dormant until the right signal brought it back online. Years later, the signal arrives.Buried contacts begin to move. Dead channels open. Names that should have disappeared return with instructions attached. At first Avi believes someone has stolen his architecture. Then the pattern tightens, and the truth is worse. The network is not simply active again. It is hunting its creator.Every safeguard he designed becomes a route back to him. Every person who once depended on his system now has reason to decide whether he can be allowed to live. To survive, Avi has to learn who woke the network, what they want, and how much of his own life was ever really his.Zero Margin is Book One of the Avi Stern Series, a literary espionage trilogy about covert networks, eroded loyalties, and the institutional machinery that outlives the people who build it. For readers of John le Carré, Joseph Kanon, and Mick Herron. Read more