To obtain a book divided into a plurality of sections that are printed by dividing a single page into a plurality of sections in such a manner that individual sheets of each section can be turned in an independent fashion and binding front and back cover portions for protecting divided pages and one side of the sheets together with edge portions of the front and back cover portions.

A book is to be divided into a plurality of sections, and it may be so divided in a longitudinal direction or a transverse direction. A single page is divided into a plurality of sections 1, 1', and sheets 11, 12 of the respective sections 1, 1' are formed in such a manner as to be turned independently. In addition, front and back cover portions 2, 7 are provided for protecting the plurality of divided sheets, and one side of the plurality of divided sheets is bound with one of edges of the front and back cover portions 2, 7 at one binding portion 3. In addition, questions are printed on one section 1 and explanations or answers for the questions are printed on the other section 1', thereb making it possible to study while easily referring to those printed on the sections.