Gale Appleby is 15 and going on 16. Besides learning to drive, getting harassed by bullies at school, and time well spent working the checkout at the grocery store, she discovers she can see a world overlapping our own. Who knew she would find exploring castles, riding with dragons, walking with giants, and chilling with dwarves so intriguing? Even treading lightly, her presence has repercussions that may unbalance cultures thousands of years old. Only with the help of new friends on the other side will she be able to avoid catastrophe.