This book contains the following story:

Phantastes
Phantastes tells the story of a young man's journey to, and adventures in, a fairy tale netherworld. The tale starts the day after Anodos' twenty-first birthday. He discovers an ancient fairy lady (whom he learns could be his grandmother) in the desk which he opens with a key that he inherited as a birthright from his late father. After the fairy shows him Fairy Land in a vision, Anodos awakes the next day to find that his room, crafted after natural elements, is taking literal form and transforming into a wood. He discovers that he has been transported to Fairy Land.The full text of this story is available here.