If you're looking for free or low-cost access to educational materials and books, consider the following:
The most accurate way to find a specific edition of a book.
Extensions can help you search LibGen directly from sites like Goodreads or Amazon.
Every file on LibGen has a unique MD5 hash. If you find a dead link, copy the MD5 from the URL and paste into the main search bar. This retrieves the file from another mirror.
: Sites like libgen.li are forks that may contain different collections, such as comics, but might also feature more ads or pop-ups.