I am needed for most animals and hardcover books. What am I?

What do you get when you cross a pig with a karate expert?

One pace to the north. Two paces to the east. Two paces to the south. Two paces to the west. One pace to the north.

What word has kst in the middle in the beginning and at the end?

I can make arrows fly. I can make kites soar. What am I?

As a state in the USA I am round on both sides and high in the middle. What am I?

I cannot be other than what I am until the man who made me dies. Power and will fall to me only when he las closes his eyes.

What bone has a sense of humor?

It’s in your hand though you can not feel it. Only you and time can reveal it.

I sleep by day I fly by night. I have no feathers to aid my flight. What am I?

Fatherless and Motherless born without sin. Roared when it entered the world And never spoke again.

What is the difference between a poorly dressed man on a bike and a well-dressed man on a unicycle?