If you want to complain directly to the author, he apparently has an account here @choiceauthor , based on these threads:
http://talk.collegeconfidential.com/parents-forum/2170258-were-you-gapped-in-financial-aid-by-your-college.html
http://talk.collegeconfidential.com/new-york-university/2171053-students-who-were-gapped-in-their-financial-aid-package-from-nyu.html