Some cheap textbook alternatives.

The high price of textbooks is very much on the minds of most students. While these books have not quite been adopted in the standard curricula at most schools, these are still good options for self study, or to suggest to your instructors! The following link gives a sample of many cheap or free textbooks approved by a board of mathematicians at AIM (American Institute of Mathematics). Most of these books are free to download as PDFs.

http://aimath.org/textbooks/approved-textbooks/

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