Lydia Evergreen doesn’t believe in coincidence—only cause and effect. So when half the university’s population vanishes without a trace, she refuses to believe it’s an accident. The anomaly defies logic, but one thing is clear: it’s connected to her work. And Ray, her closest colleague, is among the missing.
With time running out before the unstable rift seals itself forever, Lydia crosses into the unknown, a world that mirrors her own in eerie and impossible ways. There, she comes face to face with unsettling versions of the people she thought she knew—including a dangerous figure from a world where knowledge is ignored, and those who seek it are seen as a threat.
Can Lydia prevent him from breaking into her world? Or will stopping him require the ultimate sacrifice?
For fans of Dark Matter by Blake Crouch and The Space Between Worlds by Micaiah Johnson, Doppelganger is a gripping sci-fi thriller that explores the thin line between identity and illusion—and what happens when the greatest threat to reality is already among us.
It started with an apple.
Red. Pristine. Impossible.
Seventh-grader Lydia Evergreen lives for data, logic, and control. But when a mysterious apple appears on her lab table—followed by glitches in time, flickering shadows, and an inkling that history may be repeating itself—logic fails her.
Reality bends.
Time rewinds.
She sees herself. More than once.
Will Lydia uncover where the Apple came from? Or is this just the beginning?
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