📍 Most "FB2" versions of the BSE found on torrent sites or unofficial libraries are actually the 3rd Edition text-only versions, which are much smaller and easier to navigate on e-readers. If you'd like, I can help you: Find a specific volume or topic within the encyclopedia.
If you find a volume in PDF or DOCX, you can convert it to FB2 using these tools: bse skachat besplatno fb2
The standard desktop software for managing and converting e-books to FB2. 📍 Most "FB2" versions of the BSE found