It's certainly OK, provided that you obey the requirements of the OGL. All of the text in the Legend rulebooks are Open Game Content, but the artwork is not. Keep in mind that you still need to attach a copy of the OGL to your derivative work and update Section 15 to indicate which upstream works you are taking open content from.
For more information, consult the official FAQ for the OGL maintained by Wizards of the Coast:
The PDFs are all copyable text, but I only did the errata tables from A&E which had been made publicly available. I didn't want to get into trouble by publishing the other tables wholesale.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.