The book currently looked for cannot refer to CiNii Books.

CiNii books covers books and journals information only which registered to NACSIS-CAT/ILL system within all books and journals held by university libraries and other libraries in Japan. You may not be able to search in the following cases.
・ University library doesn’t hold the material.
・ Bibliographic data of the material is not registered online, such as old books.
・ Bibliographic data of the material was made without using the "NACSIS-CAT/ILL system".