Answer:
I shrink smaller every time I take a bath.
I have no voice but I can teach you all there is to know. I have spines and hinges but I am not a door. Once I've told you all, I cannot tell you more. What am I?
I am so delicious that I require a house to contain me.
The last woman on Earth received a phone call. Who was the caller?
I cover what's real; hide what is true, but sometimes bring out the courage in you. What am I?
What language does a billboard speak?