As bmm said, get the Corn Snake Manual and you will get tons of information about how to raise a corn snake.
Other than the book,
make sure that you come here a lot and read a lot of posts on this forum. You'll learn TONS of things on this forum.
Also if you have any questions, just any, post it up and people on this forum will definately help!!! No problems at all....
if we don't know the answer, we'll be discussing this question and try to help you out!
So don't worry too much...you'll soon be a great herper too!
Good Luck and Happy Herping!