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The latest trend in textbooks is " open textbooks.

" An open textbook is a free, openly licensed textbook offered online by its author ( s ).

According to PIRG, a number of textbooks already exist, and are being used at schools such as the MIT and Harvard.

A 2010 study published found that open textbooks offer a viable and attractive means to meet faculty and student needs while offering savings of approximately 80 % compared to traditional textbook options.