Danger at the haunted gate

"It's 1850, and you are continuing on the treacherous Oregon Trail. In this second book of four, you need to get to Devil's Gate, the halfway mark on your 2,000-mile journey West. Keep watch! Danger awaits you on your way to those eerie cliffs. Which path will you choose in the face of danger? With more than twenty possible endings, choose wrong and you'll never make it to Devil's Gate. Choose right and blaze a trail that gets you closer to Oregon City!"--Provided by publisher.