Stores like , Leanpub , and Gumroad (for technical books) sell DRM-free EPUB/PDF files. Once purchased, you own the file forever and can convert it to any format.
Beyond legal issues, there are practical risks: google books downloader github
If you want next steps
If the book is out of copyright, Google provides a button directly on the top toolbar. No hacker tool needed. Stores like , Leanpub , and Gumroad (for
: Go to Google Books and copy the URL. If the tool asks for an ID, look for the id= parameter in the link (e.g., id=XUwOtdcIWdkC ). google books downloader github