Companion websites accompany the material in a textbook. They vary in quality, but if you have a good one, your students can access some really useful supplemental material.
October 14, 2010
March 18, 2008
Ever winced at the high cost of textbooks? You may be able to find a free alternative at Textbook Revolution.The site is a compilation of textbooks from other sites, each free and easily accessed via category or title search. Most … Continued