Finalize the content
Make sure the text is final (proofread and approved) so that no major changes will be needed later.
Gather all materials
Texts, images, photographs, captions, cover (if available), and any additional material you would like to include (e.g. quotations, notes, links).
Clarify the specifications
Provide information on:
• the language of the eBook
• the preferred format (reflowable or fixed layout)
• the distribution platforms (e.g. Google Books, Apple Books, etc.)
State any special requirements
Such as internal links, external links, video content, specific typography, or a particular visual style.