"Be wary of the biting rocks." Sir Henry. When twelve year old Sara and her younger sister, ten year old Molly, were dropped off at their grandma's house to spend spring vacation, they expected certain things would happen. They expected to eat grandma's delicious cooking, to make up imaginary games to pass the time, and sometimes to be bored. But they never could have imagined what did happen A magical portal opened, a prism showed them the way to another world, and the girls were thrown into the adventure of a lifetime. The girls are joined by a boy from their world and befriended by Thorn...