"The Narrow Road to the Deep North" is a travelogue that depicts the author's journey through the remote and desolate northern regions of Japan. The narrative combines prose and haiku poetry to capture the beauty and spirituality of nature, as well as the author's introspective thoughts and philosophical insights. The journey is not just physical but also spiritual, as the author seeks to understand his place in the world and the essence of the human condition.

"The Pillow Book" is a collection of personal observations, anecdotes, and reflections by a woman in the Heian court of Japan. It presents a detailed and vivid picture of court life, including the lavish ceremonies, the rivalries and intrigues, the idle pastimes of the courtiers, and the romantic escapades of the empress and her consorts. The book also contains lists, poetry, and personal musings, providing a unique perspective on the culture and customs of the Heian period.