this method returns the number of pages of a book as a string . concode_field_sep String bookPublisher concode_elem_sep String bookPageNumber concode_elem_sep String isCheckedOut concode_elem_sep String bookPubYear concode_elem_sep String bookAuthor concode_elem_sep String bookTitle concode_field_sep String getTitle concode_elem_sep void setAuthor concode_elem_sep void setCheckOut concode_elem_sep String getAuthor concode_elem_sep void setPubYear concode_elem_sep void setTitle concode_elem_sep String getCheckOut concode_elem_sep void setPub concode_elem_sep String getPubYear concode_elem_sep String toString concode_elem_sep void setPageNum concode_elem_sep String getPub
String function ( ) { return bookPageNumber ; }