The ISBN (International Standard Book Number) is an international identification system for books, eBooks and magazines that uses numbers to classify them by title, author, country, publisher and edition. Mandatory for the marketing of the book.

The file contains essential bibliographic information to identify a book, including title, names of authors, illustrators, edition, publisher, among other details, and is prepared by a

competent librarian.

Expert guidance, support and information

for all stages of the construction process

of your book or ebook.