: The industry standard for managing and converting eBooks. You can "Add books" from your text files and then "Convert books" to the EPUB format.
If you are looking to create or convert a text document into an file (the format indicated by your query), here are the most effective ways to do it: 1. Using Online Converters
For more control over formatting, metadata (like the ID you mentioned), and cover art: 00031012ujplibrolandi3101 epub
: Another reliable web-based option for quick file transformations. 2. Professional eBook Software
If you already have your text in a format like .docx or .txt, you can use free tools to turn it into an EPUB: : The industry standard for managing and converting eBooks
: A dedicated EPUB editor if you want to write and code the book from scratch using HTML/CSS. 3. Word Processors
The text string you provided, , appears to be a specific identifier or internal code often associated with digital library archives or specific ebook database entries. Using Online Converters For more control over formatting,
: You can write your text and then go to File > Download > EPUB Publication (.epub) .