Are there any need-based Federal Aid programs?
Yes there are:Federal Perkins LoanFederal Pell GrantFederal Supplemental Educational Opportunity Grant FSEOGDirect Subsidized LoanFederal Work-Study
Just one more thing. What is the process by which your school distributes financial aid funds to you for course materials? What happens if the ISBN isn't available?
The school would probably provide the author, title, publisher, and copyright date.