Alone in the wild

"It's 1849. You and your family are at the halfway mark on your 2,000-mile journey West. You've set up camp near South Pass, Wyoming. A powerful storm strikes. Your wagon train must ford the river immediately. When crossing the wild water, the current pulls you in and separates you from your family. You wake up on a riverbank-lost and disoriented. You have no other choice but to find your way and survive on your own. Lucky for you, you meet Tatsa, a twelve-year-old girl from the Shoshone Nation who has the grit and smarts to help you on the Trail"--Provided by publisher.