Where could i send a book to be published?

im writing a book entitled as As the World Falls Down:The Begining, who knows good publishers that'll publish books by 13 and plus people? Please help me!!
Where could i send a book to be published?
It depends on what kind of book it is and who your target audience is. Get a copy of the Writers Market or sign up for it online at www.writersmarket.com to find out which publishing agency best suits you. Also see if you need an agent which may be your first step.
Where could i send a book to be published?
I suggest you make a copy on cd in a document spread on your computer i recommend these publishers they are good they done me first book ask for mr ross thomson on a freephone number monday-friday 9am-5pm 08001974150 authorhouse of milton keynes