Answer:
What can be seen but never found that only hides in the unwound?
What word is the same written forward, backward and upside down?
Two in a whole and four in a pair. And six in a trio you see. And eight's a quartet but what you must get. Is the name that fits just one of me?
Its title means book.
What wears a coat in the winter and pants in the summer?
People take me on walks and I run and have fun. What am I?