Answer:
Only two backbones and thousands of ribs.
It holds most knowledge that has ever been said. But is not the brain, is not the head. To feathers and their masters, it's both bane and boonΒ One empty, and one full.
My first master has four legs, my second master has two. My first I serve in life, my second I serve in death. Tough I am, yet soft beside. Against ladies cheeks I often reside.
I have a title and many pages I am a genteel of genteel descent I am a killer veteran of war I am a slave to my lord Pledged to his service.
What an fill a room but takes up no space?
If I say "everything I tell you is a lie", am I telling you the truth or a lie?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?