Abstract: A customizable book system enhances the collective reading activity of a classroom group. The book system comprises a book assembly, a lesson-specific storyline; and certain name-installing software. The book assembly comprises an outer cover and a plurality of pages. The cover provides a title-receiving medium and certain photograph-displaying structure for displaying a group-customized photograph. The pages are disposed intermediate the cover for providing a storyline medium. The lesson-specific storyline comprises a plurality of student-assignable, unnamed characters and at least one faculty-assignable, unnamed character. The name-installing software functions to assign the named students and the named faculty to the assignable, unnamed characters via certain identifier. After name assignments have been made and names have been inserted into the storyline, the storyline may then be output upon certain data-outputting structures for provision to members of the student body or readership group.