Guys...ang immediate way to recover your fb account...is your email..because even the häçker change your email account in your account settings...fb simply will sending a messages to your email..
Just find the message:
open the mail about which Facebook sent you when someone logged in or changed your password, and click the link in that email and follow the guidelines mentioned in it!
That's it!
P.S.: this tips is just for the first step or first attemp to do recovery.