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"Raven is over the moon when she is the first to get to the mountaintop on a trek with her sister and new stepfather. Reaching the summit is like standing on top of the world: exhilarating and breath-taking. But her triumph is short-lived when the earth starts shaking and she takes a terrible tumble down the side of the mountain. Terrified and injured, she stumbles around looking for her family, only to realize they are alive, but trapped in a cave, impossible to reach. Raven sets out alone to find help. But with no food, and danger lurking at every turn, how will she find her way back to civilization?"