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Narrated by: Ray Montecalvo

Unabridged — 11 hours, 14 minutes

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Overview

A billion-year-old mystery resurfaces.

WINNER: Pinnacle Book Achievement Award, Fall 2022 - Best Historical Adventure

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Walker Monroe, Yale professor, librarian, and expert in ancient languages, gets an unexpected visit from two U.S. Geological Service members. They show him a piece of unknown metal engraved with a mysterious, coded text, and seek his help in translating it.

He calls in the help of his friends and colleagues, Matthew Bishop and Jennifer Porter, but unable to crack the code, ...