While digital textbooks abound throughout the country at the college level and new companies spring up almost monthly to provide digital-editions for the thousands of titles in use in US higher education, one of the markets that has been slow to adopt digital textbooks--at great expense to already cash-strapped school systems--is the K through 12 public school arena. Due to … [Read more...] about Houghton Mifflin Harcourt, Kno Partner on K-12 Digital Textbooks