Attachments (extra files) to include in the epub.
The author of the book.
The chapters of the book, in the order to present them.
Preferred fonts for the book's cover.
The attachment to use as a cover image.
The fileid of the cover image, which should be present as an attachment.
The name of the program that generated this ebook.
Target size for generated covers.
The ID of the book. If you don't specify one, we will create it for you.
The title of the book.
Target size for generated covers.
A Book is the object model for an epub file.