This report surveyed the opinions of faculty on Open Educational Resources and found that:
"Faculty judge the quality of OER to be roughly equivalent to that of traditional educational resources. Among faculty who do offer an opinion, three-quarters rank OER quality as the same as or better than traditional resources."
Chart showing faculty attitudes from Opening the Curriculum, 2014 report
Check out the links below to explore two open textbooks currently being used in NMC classes. Open textbooks are always free online, so the links take you right to the book and you can start reading!