Afterword to Mrs. Frisby and the Rats of NIMH. From the Penguin 1994 edition.
- Essay comparing the portrayal of the main character in the book and the movie.
- Given at the meeting of the American Library Association in Chicago, Illinois, on June 26, 1972. The Newbery Medal "for the most distinguished contribution to American Literature for children" was awarded to Robert C. O'Brien for Mrs. Frisby and the Rats of NIMH.
- An informational article written by the PR director for Bluth's team at the time NIMH was released, answering some common questions about the film and addressing some of its themes.
- Original title: "Robert C. O'Brien's Mrs. Frisby and the Rats of NIMH: Through the Eyes of Small Animals".