Answer:
The strangest creature you'll ever find has two eyes in front and a hundred behind.
Brown I am and much admired; many horses have I tried; tire a horse and worry a man; tell me this riddle if you can.
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.
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not. What is it?
My life can be measured in hours, I serve by being devoured. Thin, I am quick. Fat, I am slow. Wind is my foe.
People take me on walks and I run and have fun. What am I?