This source breaks down some of the main pros and cons regarding the issue of promoting tablets in the classroom for grades K-12. Major points are addressed such as the health controversy, financial adjustments, distractibility, etc. Interesting statistics about number of e-books purchased and usage is presented, along with statistics about expenses of the electronic book options. I found this source by Googleing, "digital books vs textbooks, pros and cons".
"Last month a teacher in South Carolina was suspended for reading aloud a passage from Orson Scott Card's Ender's Game, a YA science fiction book considered by many a classic "
This article is a little lengthy but it does a great job of supporting and explaining the interesting and quickly growing use of blogs in the school setting.