Education Week - Educators Weigh E-textbook Costs

http://www.edweek.org/ew/articles/2012/05/09/30etextbooks_ep.h31.html?tkn=WRMFuIZfG9Wi%2BQZzy%2BjwzR2qbOTin%2FvAFPwA&cmp=ENL-II-NEWS1
Despite the substantial investments states and districts have made in digital textbooks, and claims from proponents that they save schools money, many officials remain skeptical.