I Wiggle And Cannot See, Sometimes Underground And Sometimes On A Tree

Riddle: 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. What am I?

Answer: I'm a worm. Pretty sad if you didn't get that.

Source: https://www.riddles.com/index.php/5292

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. What am I? — I wiggle and cannot see, sometimes underground and sometimes on a tree by DangDaBoss Vids v1.

Riddle: 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. What am I? Answer: I'm a worm. Pretty sad if you didn't get that. — by DangDaBoss Vids v2.