Mountains, teeth, wind, sun, dark, eggs, fish, time, and the One Ring. (yes, I looked in the book to get the answers, although I did already know more than half of them.)
What was Gimli's final count after the Battle of Pellenor Fields?
EDIT: I'm glad you're going to get the book, it has many wonderful poems. That particular poem, Perry-the-Winkle, is one of my favorites. Good job on finding the answer, btw.