Back to school time looms, which means more textbook announcements. Start-up Kno is expanding from their base in college textbooks to the K-12 textbook market. They offer one-year rentals for $9.99 or less (though any parent knows that trying to “finally stop their kids from carrying their heavy backpacks to and from school” is a pipe dream). Their first K-12 digital textbooks come from Houghton Mifflin Harcourt. In a separate press release, Amazon announced that they are finally renting physical textbooks to college students, just like most of the major competitors in the market (from Barnes & Noble College, Nebraska […]