Answer:
What word is a plural, but when you add an "S" to the end, it becomes singular?
In the land of the green glass door there are riddles but no answers, sheets but no blankets, and books but no words. Name something found in the land of the green glass door.
If I have it, I don't share it. If I share it, I don't have it. What is it?
What relies on columns but isn't a house, and asks for help but can't speak itself?
A hole leading in, a hole leading out, we connect to a cavern that is slimy all throughout. What are we?
I have two eyes in the front and a lot of eyes on my tail
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?