Answer:
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.
I can travel from there to here by disappearing, and here to there by reappearing.
I am the tool, for inspiring many. Buy me in the store, for not much more than a penny. Don't overuse me, or my usefulness will go.
What doesn't get any wetter, no matter how much rain falls on it?
What word in the English language uses all five vowels plus Y in alphabetical order, and uses each only once?
I’m grown from darkness but shine with a pale light. Very round I am and always a lady's delight.