Devil's Engine — Mark Sumner

AMERICA'S GREAT HOPE -- AND GREATER TERROR

The end of the Civil War and the rise of magical talents had brought unheard-of dangers to the West. Signers and scribblers and chatterers called up nightmare conjurations more dreadful than those that already roamed the unsettled land. Even a bullet-stopping sheriff with as much talent as Jake Bird was hard-pressed to keep Medicine Rock going when towns from Canada to Mexico were being abandoned.

Unknown to the settlers, a greater calamity yet was stalking them. Using Buffalo Bill Cody as his agent, robber 'baron Jay Gould was laying tracks for America's first transcontinental railroad. Medicine Rock was chosen as the rail point where East would meet West. But the honor concealed catastrophe, for with his strange blue-green steel rails, Gould intended to rob the entire territory of its magic.

Bullets would fly, blood would flow, and Buffalo Bill, Sheriff Jake, and the mysterious Rainmaker would need all their skills to defeat America's most powerful evil...