Author's Riddles

Riddle #786 (medium)

Question: I cannot hear or even see,
but sense light and sounds there may be.
Sometimes I end up on the hook,
or even deep into a book.

What am I?

Riddle #716 (medium)

Question: I have four wings, but cannot fly.
I never laugh and never cry;
On the same spot I'm always found, toiling away with a little sound.

What am I?