The Unknown World

It all started with a dare. One friend was dared to go into an abandoned school for 5 minutes but never comes out. A year later that friend is still missing and no one has seen her since. A year after her missing date two best friends run into the same abandoned school and aren't seen again for a while. to find out where they are and what happened read.
I do not own any pictures shown in the story and I don't own the cover either.