Answer:
I wiggle and cannot see; sometimes underground and sometimes on a tree. I really don't want to be on a hook and I become a person when combined with “book”.
I run smoother than any rhyme I love to fall but cannot climb.
I can be swallowed But I can also swallow you.
What kind of cheese is made backwards?
What begins with T ends with T and has T in it?
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?