Here are some sites that have various ebooks that may contain interesting content:
Code:
https://the-eye.eu/public/Books/
https://theswissbay.ch/pdf/
- Lots of different books in various sub-folders.
https://foxgreat.com/
https://xsava.xyz/ebooks
- Thousands of e-books covering all kinds of topics.
https://downloadly.ir/download/elearning/video-tutorials/
- Various books / videos and tutorials covering all kinds of topics.