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The
Recurrence
The
Recurrence
Protocol
A signal no one was meant to find.
A countdown twelve thousand years in the making.
When NASA astronomer Daniel detects an anomaly in the world's atomic clocks, he traces it to a twelve-thousand-year-old monument in southeastern Turkey — and to a classified program that has been monitoring the same signal since 1945.
With the cover-up unraveling, the anomaly accelerating, and no modern infrastructure prepared for what is coming, Daniel and archaeologist Miriam Hale race to decode what the builders of Göbekli Tepe encoded in stone: not a warning.
An instruction.