Here is a wonderful vintage copy of The Yellow Knight of Oz. Copyright 1930 by Ruth Plumly Thompson, this is a post-1935 edition with illustrated endpapers and black and white illustration by the famed John R Neill. The dust jacket list titles to Magical Mimics in Oz, dating the book to about 1946.
The book itself is in very good plus condition. The orange cloth and pastedown and spine are very clean, light wear to spine and corners. Slight cock to book. Inside, no marks or writing, Book Belongs To page is blank, line tanning to pages and endpapers where jacket flaps overlap. The color dust jacket is fair, with several large chips as shown, and front flap detached but present.