The Project Gutenberg FAQ - C-24

C.24. I see some Project Gutenberg eBooks that are copyrighted. What's up with that?

Authors or publishers may grant Project Gutenberg an unlimited license to republish their works. In this kind of case, the copyright holders still retain their rights, but grant permission for us to share these eBooks with the world.

These copyrighted PG publications can still be copied, but the permissions granted are spelled out in their headers, and usually forbid anyone to republish them commercially.