When Cassidy, a normal nineth-grader, discovers an odd book in the library marked with her birthstone, her normal life is about to turn...not so normal. As the secrets hidden within the book are finally reviled, Cassidy and her best friend are thrown into a fantastical world full of magic and wonder, ancient civilizations and brave princesses, magnificent creatures and terrible monsters. But will the girl's determination and bravery be enough to rescue the most powerful jewel of all; the bright beauty?