Starting December 15th you will be able to pre-register for AnimeIowa 2014 Online or by Mail.
$35 Holiday Special December 15th – January 31
$45 Pre-registration Feb 1st – Mar 17th
$55 Late-registration March 18th – May 31st
Pre-registration will be open until May 31st, after that you will have to wait until the convention and register at the door for $60. Be sure to read the Registration page and the Registration and Badge FAQ for more information.