Answer:
It looks like you know what an appositive is, so here are some example answers for the ones you haven't yet come up with.
8. Animal Farm, the book she's reading, is about how extreme devotion to a cause can blind oneself to the reality of its circumstance.
9. Billy Joel's Hits, a CD in my collection, has his famous song We Didn't Start the Fire.
10. We should name our new cat Milo, the name of the child's dog.
11. The bobcat, our school mascot, is native to North America.
12. Buca di Beppo, our favorite restaurant, serves huge meatballs.
13. Star Wars: The Rise of Skywalker, a movie at the theater, came out 3 years ago.
14. Samuel Clemens, the author's name, is not used in his literature.