A powerful story exploring the interconnectedness of all things from?New York Times?betselling author of the Merlin saga. When thirteen-year-old?Kate travels to Oregon for a quiet week at Aunt Melanie’s cottage， her plans are dashed by the discovery of a grove of giant redwood trees in nearby Lost Crater. While helping try to protect the redwood forest from loggers， Kate goes back five centuries through a time tunnel and finds herself facing the evil creature Gashra， who is bent on destroying the same forest. In this extraordinary quest from The Adventures of Kate series， a girl discovers that all living things are connected in ways she never expected， and that true friendship can reach across cultures， and even across centuries. "Once in a great while a book comes along that is so powerful and so wise that you want to shout about it." —Madeleine L'Engle， bestselling author of?A Wrinkle in Time， on?The Ancient One