Shadow Cave (Shadows #1)

Claire becomes the hunted in a dangerous game when she travels to a world history books claim doesn't exist.The account was more than five hundred years old—the last remnant of an ancient tribe. Claire Roberts is in for a bumpy ride when she journeys to a world that history books claim never existed. Together with the help of her friends, she must use an ancient relic and find her brother before the Shadow Man finds her. She becomes the hunted in a dangerous game that threatens a nation that is the stuff of legend. Along the way she will learn that the best gifts are the ones you never expect to find.