Irma says: We know that textbook costs are a big problem for students and we sure sympathize. The main reason we don't buy a lot of textbooks is that they go out of date quickly and have to be replaced often. So we focus our collection money on books with more lasting value.
Another thing to keep in mind is that when textbooks are on reserve for a large class it's in very high demand and could be hard to get it in time to read the assignments.
We continue to work on finding solutions to the high cost of textbooks, in particular finding good electronic textbooks. In the meantime here is a web site with suggestions for finding lower cost copies: