E-Books may be half the cost of retail books, but there are lots of used books out there at much less than half. Or, free books to read from your local library.

E-Books may be half the cost of retail books, but there are lots of used books out there at much less than half. Or, free books to read from your local library. Obviously this doesn't applies to all new books, but if you're willing to read older books, there's a lot to read for relatively little cost.