When eleven-year-old Sophia wakes up from a terrible nightmare in which The Library of Wisdom was going up in flames, she knows she must find out what the dream might foretell. Returning to the Eternal Forest and guided by the Great Oak she heads for the Mountain of Wisdom. Lions, locusts, dragons, a Minotaur, and some very funny trees lie in wait along the way, but the real battle is within - her struggle with envy. In the Library of Wisdom and the Hall of Names she wonders if her own names can really prophesy her destiny and free her from the demons within. Help is on hand from Barnabas, her leafy friend, but both must face a climatic battle inside the Mountain of Wisdom which will determine their fate. Will the Mountain give up its secrets and will Sophia discover who she truly is?.