This appears to be a unique identifier, potentially a filename or a specific identifier for an e-book format (EPUB).
Without more context or the ability to open the specific file, it is impossible to determine the title or author of the work. If you have this file, it can be opened using e-book reader software (like Calibre, Apple Books, or Adobe Digital Editions). 031208edlliflbrnd epub
The file format is EPUB (Electronic Publication), which is the standard, reflowable format used by e-readers like Apple Books, Kobo, and Nook. This appears to be a unique identifier, potentially
Files with alphanumeric names like this are often generated by content management systems, archive sites, or specific digital library tools. which is the standard