Hi,
Read The Story of Roek. You have the basic bones of an interesting start, but it is a little over written. Try and cut out unnecessary words eg: the only light source that could be seen was a low light from the crack from below the door. All you need say is - the only light was from the crack below the door. Good writing is often more about the words left out rather than the words included. Make your reader's mind jump, it will help the story.
Keep on writing, nothing helps like practice. My first book is still lying in a drawer, never having seen the light of day.
Good luck,
AJ