The Blue Velvet
Book One of the Emerson's Attic series.
Emerson McBride is a normal American teenager. She goes to school, plays soccer, roams the mall with friends--her life is just like any other 14-year-old’s until suddenly, she is magically thrown back in time to a totally foreign world.
How did she get here? Where is she and why? These and many other questions follow her into this new life in a new land.