In The Yellowstone Directive, America’s iconic national park is terrorized by a serious of mysterious deaths that defy explanation.

 

A few weeks after volcanologist Sage Maldonado begins her new job as a seasonal ranger at Yellowstone National Park, visitors start dropping dead on hiking trails near Old Faithful – four the first day, five the next, two more the day after that.

FBI experts and National Guard soldiers quickly respond to the escalating situation. In a desperate attempt to apprehend the killer, they place Yellowstone in lockdown, trapping hundreds of park guests and employees in a deadly limbo.

But the body count continues to rise.

As the FBI investigation stalls amid mounting panic from those trapped in Yellowstone, Sage teams up with Whitney Hughes, a renowned biochemist with the CDC, in a quest to unlock the mystery of the baffling deaths. The two scientists pair cutting-edge microbiology with old-fashioned sleuthing in a frantic race to stop the killer.

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