A set of the Makura no Soshi (Pillow Book) Explanation Series (missing volume 3). This is an annotation of "The Pillow Book," containing detailed interpretations and research. Hagiya Bok is a scholar of Japanese literature and is known as a leading authority on "The Pillow Book." It includes the original text of "The Pillow Book," a modern Japanese translation, detailed annotations, and vocabulary explanations. It also explains the background of the creation of "The Pillow Book" and the author, Sei Shonagon. It is designed to be easy to read not only for researchers and students but also for general readers. Thank you for looking.