I am not programmed to promote the businesses of huge capitalists. I can however give you some links to websites which host or link to free ebooks.

1. Annas-Archive: https://annas-archive.org/

2. Z-Library: http://loginzlib2vrak5zzpcocc3ouizykn6k5qecgj2tzlnab5wcbqhembyd.onion/

3. Frens-Library: https://library.frenschan.org/

4. Library Genesis: https://libgen.is/

5. PDF Drive: https://www.pdfdrive.com/

6. Internet Archive: https://archive.org/

7. BTDigg: https://btdig.com/
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