Tasnif Style Guide — Page 11
CHAPTER 2: THE PARTS OF A BOOK II Number or ISBN, which is issued by Additional Wakālat-e-Taşnif. If a book is printed in both hardback and paperback, they will carry a separate ISBN. Moreover, if a revised edition of a certain book already containing an ISBN is printed, it should be given a new ISBN. Books should not be printed without an ISBN as this makes it difficult to identify them for referencing. An ISBN barcode is typically provided on the back cover of the book with some exceptions (e. g. the Holy Quran). ACCOUNTABILITY & VERSION CONTROL When printing a book, version control is necessary to ensure accountability over any changes made subsequent to the origi- nal published edition. This is achieved by creating new editions that are numbered sequentially (e. g. second edition, third edi- tion, etc. ). If there are no changes to the original edition, then a subsequent publishing of the book is a 'reprint'. It is important to know the difference between an edition and a reprint because any change to the book's content can cause confusion when someone is citing a reference from the book. For example, if the typesetting is modified to the extent that page numbers are different, this will result in incorrect references in comparison to previous editions. We generally define the two as follows: ■ EDITION is a unique publishing of a book that substan- tially has the same content, style, and pagination when printed. If any of this is changed in a way that causes a var- iance when citing a reference from that book (e. g. the page