postfaces

/ˈpoʊstˌfeɪsɪz/
noun
  1. Plural of postface; short sections at the end of books that provide additional information or comments.
    • Some authors include postfaces in later editions to address reader questions.
    • The library had several books with postfaces written by famous critics.
    • The postfaces in the series gave readers a behind-the-scenes look at the research.