Answer:
Goes over all the hills and hollows. Bites hard, but never swallows.
Its title means book.
What has 3 feet but cannot walk?
I make you weak at the worst of all times. I keep you safe, I keep you fine. I make your hands sweat. And your heart grow cold. I visit the weak, but seldom the bold.
The sharp slim blade, that cuts the wind.
When is it bad luck to see a black cat?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?