What is the name of the movie were a boy gets killed, but for he can come back he has to solve his own murder?

Question

This movie I think just came out or is going to come out. And no one can see him. In the preview it shows him picking up a book in a class room and he threw it but no one could hear him. he is laying some where and he has just a little time to solve what happened to him or he'll never come back.

Answer 1

the movie is called The Invisible and it is set to release on April13, 2007

http://www.rottentomatoes.com/m/10007603-the_invisible/