In the past, they've offered bundles with print copies if you pay at least $xx (40-50, IIRC). Not all the books though, usually some subset of the books available.
Just a third (or fourth) tier in the scheme they already use.
Just a third (or fourth) tier in the scheme they already use.
As long as I have two screens, I've learned to like digital textbooks. It's hard to ctrl+f on a piece of paper.