Foreshadowing
a flashback
mindlessly shoot him until he goes back into the can
Time
She goes from one extreme to another and back again
If it goes back it is slower, if it goes forward it is faster
The time goes back one hour.
Whatever story you think of is a good one for you to write! What things would you change if you could go back to that time? What do you think would change if you did that? How would the future end up with those differences? Would your decision have been a good one or a bad one? Just start imagining and see where your story goes.
The legend of the werewolf goes back to King lycoan of Arcadian -- so well back into the Bronze age.
They do time.
She just goes away but doesn't come back.
Stories of vampire like creatures goes all the way back to Sumeria. Authorship was not recorded back then.
It is the story of a Jewish girl who goes back in time to a nazi concentration camp. It has very true to life graphic scenes. In my opinion it is age appropriate.