If you need the forms for copyright ...

http://www.copyright.gov/register/performing.html

Instructions are there too :)

NOTE ABOUT WORK FOR HIRE - Do not indicate that this is a work for hire unless someone paid you to do the work for a company or what have you. If you are in a situation where you aren't sure, tell me your situation in detail and I will tell you if it's work for hire or not.

What about Publishing do you want to know? There's a lot :) Do your copyright stuff before aiming at Publishing Cos!