1979 Dungeon Master's Guide with old style TSR logo

Outside cover is in good shape. 

No issues with the bindings.

All pages are good and solid.

Look at all the pictures.

Some water damage top top end of book page. Likely someone spilled some water on it then quickly cleaned and dried it out.

Water damage did not impact the book other than this. It is completely usable. You can see it in the photos.

I got it from someone else that didn't tell me about the water damage. I wanted a more pristine book.