Another World

This book is about how a group of friends go on a journey where they die or on the rare case live.

These friends, all of which are in high school together act like any other teenager. but after one night they will have to face a journey of survival, against their worst fears and dangers.

If they manage to survive there is no prize, except that they get to go back home, to their own world, back from the other side of the portal.