Introducing a remarkable new character from #1 New York Times bestselling writer David Baldacci: Atlee Pine, an FBI agent with special skills assigned to the remote wilds of the southwestern United States who must confront a new threat . . . and an old nightmare.

Eeny, meeny, miny, moe. Catch a tiger by its toe.

It's seared into Atlee Pine's memory: the kidnapper's chilling rhyme as he chose between six-year-old Atlee and her twin sister, Mercy. Mercy was taken. Atlee was spared.

She never saw Mercy again.

Three decades after that terrifying night, Atlee Pine works for the FBI. She's the lone agent assigned to the Shattered Rock, Arizona resident agency, which is responsible for protecting the Grand Canyon.

So when one of the Grand Canyon's mules is found stabbed to death at the bottom of the canyon-and its rider missing-Pine is called in to investigate. It soon seems clear the lost tourist had something more clandestine than sightseeing in mind. But just as Pine begins to put together clues pointing to a terrifying plot, she's abruptly called off the case.

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