A short story involving time travel.

The Third Ring Around The Sun
I just woke up and was looking out the window when my science teacher started yelling at me, "John! You're finally up! I was just telling the rest of the class that over the weekend you are to write a page essay on what you think the Earth will be like in the years to come. Have a nice weekend, class dismissed!"
I was walking out of the room when my teacher called back to me, "Oh, and John, from now on try to sleep at home and not in my class."
On my way home I remembered that I had to go to the library to start my history report that was due on Monday,…