living on a prayer

Just a stupid idea! someone is sent back in time to prevent the destruction of earth and humanity. He is returned to his 7 year old body, and because he knows the future is able to divert Dumbledore's and Voldemort's mad magical war

this is the only time i am saying this, i am not making any money out of this story. all the characters are J K Rowlings, except for the ones i make up of course.this is a very alternative universe story, so if you don't like these stories, please do not read and leave comments complaining it is set in alternative universe and this dosn't happen in cannonI think this story is unique, but if it isn't and based on other stories on here, I am sorry for not listing the writers and their stories